- Reviewing services, startup programs, and background processes allows you to detect what's slowing down Windows and take action where it really matters.
- Keeping the system, drivers, and applications up to date, along with a good cleanup of unnecessary files and software, improves stability and speed.
- Adjusting visual effects, power plans, virtual memory, and disk usage reduces resource consumption and makes the system much more responsive.
- Reinstalling Windows or upgrading key hardware like SSD and RAM is the last resort when software optimizations are no longer enough.
If your Windows computer takes forever to boot, games stutter, or applications open with agonizing slowness, you're not alone. Poorly configured Windows services, programs, and internal settings can stifle performance, even on machines that, on paper, aren't particularly bad.
The good news is that, before considering a new PC, you can do a lot of things directly from the operating system. Windows 10 and Windows 11 include powerful tools like PC Manager for analyzing, cleaning, and optimizing services and processes . Combine these with some regular maintenance and a few well-thought-out tweaks to significantly improve your computer's performance.
Before touching anything: assess the actual state of the system
Before you start disabling services or randomly deleting programs, it's a good idea to understand what's going on. Analyzing current performance prevents you from blindly "optimizing" and potentially breaking something important.
To do this, Windows includes the Performance Monitor and Resource Monitor , in addition to the classic Task Manager . In Windows 10 and 11, you can open Run with Windows + R , type perfmon , and access a detailed report of the system's status: CPU, memory, disk, network usage, and the processes that are putting the most strain on the computer.
Another highly recommended step is to create a system restore point before making any significant changes. From Control Panel > System > Advanced system settings > System Protection, you can enable protection, create a manual restore point, and have a backup to revert to if something goes wrong.
With this information, you can decide where to focus your efforts: whether the CPU is running at 100%, the hard drive is full, or the RAM is insufficient . This will allow you to fine-tune your optimizations and avoid unnecessary adjustments.
Updating Windows, drivers, and applications: the foundation of good performance
Many people find it tedious, but keeping Windows, drivers, and programs up to date is essential for a smooth-running PC . It patches bugs, improves stability, and, in many cases, boosts performance.
In Windows 10 and 11, go to Settings > Update & Security > Windows Update and click Check for updates . If patches are available, install them and let the system restart if prompted. Don't forget to also check "Optional updates ," where you'll often find newer versions of drivers for sound, network, graphics, etc.
Additionally, it's important to keep your most frequently used apps up to date . Many are updated through the Microsoft Store, but others (browsers, creative suites, game clients) have their own update systems. Check their help or settings menus and make sure you're using the latest stable version.
In the case of Windows 10, which has already stopped receiving feature updates and will soon run out of free security patches, considering migrating to Windows 11 or a modern Linux distribution can be key to maintaining a secure and fast system . Optimization tools help, but if the underlying system is outdated, you'll always be operating at a disadvantage.
Clean up unnecessary programs, files, and services
Over time, your computer fills up with things you don't need: applications you no longer use, manufacturer bloatware, temporary files, and forgotten download data . All of this takes up space and even consumes resources in the background.
Uninstalling pre-installed programs and apps is almost a must first step. In Windows 10/11, go to Settings > Apps > Installed apps and delete anything you don't use. If you want to see the standard list, open the Control Panel and go to Programs and Features . There you'll see trial suites, manufacturer utilities, and software you may not have used in months.
It's also a good idea to get rid of pre-installed Windows apps that don't add anything to your daily life (games, news apps, etc.). From the Apps & features section, you can uninstall most of them with just a couple of clicks.
In the files section, don't underestimate the effect of a full hard drive . Windows performs significantly worse when the disk is almost full because it struggles to manage the page file and temporary files. Start by cleaning up your Downloads folder , removing old documents, videos you no longer need, and anything else you can move to an external drive or the cloud.
To go further, Windows includes tools like Disk Cleanup and Cleanup Recommendations in Settings > System > Storage , where you can delete temporary files, empty the Recycle Bin, and clear caches relatively safely.
Remove startup programs and control what runs in the background
One of the biggest causes of slow PC startup is the number of programs that launch automatically at startup . Many installers select this option by default, and if you don't change it, you'll end up with half a dozen applications hogging RAM from the very first minute.
To view and disable these automatic startups, open Task Manager (Ctrl + Shift + Esc or Ctrl + Alt + Delete > Task Manager) and go to the Startup tab or Startup Applications tab , depending on your version. Look at the "Startup Impact" column and disable anything that isn't critical: download clients, game launchers, music applications, secondary cloud storage, etc.
In Windows 11 you can also manage this from Settings > Apps > Startup , where you'll see a list with a toggle switch for each program and an indication of its impact on startup.
Besides startup programs, many apps run in the background even when you're not using them . From Settings > Apps , and by accessing the Advanced options for each app, you can choose whether or not to allow it to run in the background. Disabling this permission for non-essential apps frees up resources and reduces system clutter.
On very basic systems, you can go a step further and perform a clean boot using msconfig : hide Microsoft services, disable the rest, and uncheck all startup items in Task Manager. This way, you only boot with the essentials and can see how noticeable the difference is.
Optimize Windows services without overloading the system
Windows services are like small components that support the system and applications. Disabling services haphazardly can cause you to stop receiving updates, break your printer, or disable your antivirus , so you need to be very careful.
To check them, press Windows + R , type services.msc , and press Enter. You'll see a huge list, but the golden rule is clear: don't disable security services (antivirus, firewall), critical updates, network services, or hardware drivers . Also, don't touch anything related to your GPU if you play games or use demanding graphics applications.
What you can consider is stopping or setting to "Manual Start" very specific services that you know you don't use: fax, printing if you don't have a printer, tablet services, advanced telemetry, or certain sharing functions . In any case, it's a good idea to test each change you make for a while and, if something goes wrong, revert that service to its original state.
If your primary goal is gaming, there's a safer strategy: using Windows 10/11's Game Mode . This feature reduces background activity, silences certain Windows Update notifications, and prioritizes CPU and GPU resources for the game—all without you having to manually disable each service individually.
Security and malware: when the problem is a virus… or the antivirus itself
A computer that was previously running well and suddenly becomes sluggish could be hiding a security problem. A single piece of malware downloading files, mining cryptocurrency, or silently spying is enough to eat up your resources.
Windows 10 and 11 come with Windows Defender by default , which is more than enough for most users. You can run a full scan from the Windows Security app, and if you want to further refine the scan, you can run the built-in MSRT tool by typing MRT in the Run dialog box.
If you prefer a third-party antivirus, look for one that isn't a RAM and CPU hog . Solutions like Kaspersky, ESET, F-Secure, Sophos, or Bitdefender offer good protection without crippling performance. Avoid overly resource-intensive suites if your computer is modest, as the cure could be worse than the disease.
A highly recommended addition is installing a dedicated anti-malware program, such as Malwarebytes . A quick scan can detect adware, toolbars, miners, and other malware that sometimes goes unnoticed. Once your machine is clean, leave only one antivirus solution running in the background (such as Defender or another) to avoid duplicating resources.
And as a general piece of advice for the future, remember that pirated software isn't free: you pay for it in performance, stability, and the risk of infection . It's always better to use legal free versions or open-source alternatives than to take the risk with modified installers.
Visual effects, notifications, and desktop: less fuss, more speed
Windows comes loaded with animations, transparencies, and visual details that look very nice, but they all demand extra work from the graphics card and CPU . On a modern computer, it's barely noticeable, but on an older one, the difference can be quite significant.
The most direct way to disable these embellishments is to go to Advanced System Settings > Performance > Settings and check the "Adjust for best performance" option . This disables almost all animations and effects, making windows open and close more abruptly, but with much greater responsiveness.
If you want something more balanced, you can go to that same window and customize which effects you keep : for example, keep the smoothed fonts and some basic elements, but remove shadows, fades, and unnecessary animations.
In Windows 10/11, it's also worth turning off the transparency of the Start menu, taskbar, and Action Center . You can do this in Settings > Personalization > Colors , by unchecking the transparency effect and choosing a solid color. It provides a small performance boost and sometimes improves readability.
Another classic: a desktop cluttered with icons and loose files . Each item has to be drawn when you log in, and if you have hundreds of them, your desktop becomes a burden. Move everything to Documents folders and leave only the essentials on your desktop, or create a folder that acts as a temporary "catch-all" folder.
Power plans, virtual memory, and ReadyBoost
Power management significantly impacts system responsiveness. On laptops, the default plan is usually "Balanced ," which reduces performance somewhat to extend battery life. For more power, open Control Panel > Power Options and select High performance , or, in newer versions, adjust the Windows performance slider to its maximum.
Keep in mind that the more performance you demand, the faster the battery will drain and the more heat the components will generate . If the laptop gets too hot, the system itself will reduce the processor frequency to protect itself, so you might want to use a cooling pad or clean the air ducts and fans occasionally.
Regarding virtual memory , it's generally recommended to let Windows manage it automatically. However, it's still a good idea to check in Performance Options > Advanced > Virtual Memory that the "Automatically manage paging file size" option is selected. Otherwise, you might be limited by an excessively small size.
If your computer has very little RAM and a mechanical hard drive, you can try ReadyBoost : connect a fast USB drive, go into its properties, and enable ReadyBoost to be used as additional cache. It doesn't work miracles and doesn't offer any benefit on SSDs , but on some older HDDs, it helps alleviate the load.
Finally, keep an eye on the temperature. A dusty tower or a laptop that gets as hot as a furnace can cause the system to slow down and run at lower frequencies . Occasionally, turn off your computer, unplug it, and use compressed air to clean the vents, fans, and heatsinks.
Hard drive, SSD and defragmentation: where you really gain speed
If you're still using a mechanical hard drive, that's one of the biggest bottlenecks. Upgrading your system to an SSD is by far the most significant performance improvement you can make without replacing your entire computer.
With an SSD, you'll notice that Windows boots in seconds, applications open almost instantly, and games load much faster . Plus, since they have no moving parts, they're quieter and more resistant to shocks and vibrations.
If you don't want to or can't upgrade your hardware right now, you should at least defragment your HDD occasionally . In the Windows search bar, type "Defragment and Optimize Drives," open the tool, select your mechanical hard drive, and click Optimize . Don't do this on your SSD, as it won't make any difference and could even shorten its lifespan.
Another useful tool is using programs like WinDirStat to graphically see which folders are taking up the most space. Sometimes you discover applications that have generated tens or hundreds of gigabytes of temporary files , or old backups that you no longer need. Cleaning them up not only frees up space, but also makes Windows run more efficiently.
If, after all this, your PC is still sluggish and you already have an SSD installed, it might be time to consider upgrading your RAM, changing your processor, or even just getting a new computer . Software helps, but hardware has its limits.
Third-party tools for fine-tuning Windows carefully
In addition to the built-in tools, there is a good collection of third-party utilities designed to optimize Windows services and settings without you having to manually delve into the registry or services.msc.
An interesting option is Optimizer , an open-source project available on GitHub. With a single interface, you can disable telemetry, certain unnecessary services, Cortana, some Windows Update features, remove bloatware , optimize your network, or activate a more aggressive gaming mode . Being open source means other developers can review its functionality, which provides some peace of mind.
Classic programs like CCleaner also allow you to clean temporary files, check startup programs, and make some simple adjustments, although they've had their share of controversies over the years, so it's best to install only what you need and disable intrusive features. If you're not convinced, there are alternatives like Clean Master or tools integrated into some antivirus programs that perform similar functions.
Whichever application you use, the rule is the same: don't click every button without reading what it does . Take a few minutes to review each option, apply changes gradually, and whenever possible, create a restore point before making more significant modifications.
For older computers or those with very limited resources, there are also "Lite" versions of Windows designed to consume fewer resources . They require a bit more experience to install and configure, but they can breathe new life into computers that are struggling with a standard installation.
When nothing else works: reset, format, or change systems
If after cleaning, optimizing services, checking for malware, and adjusting effects the PC still runs like a tractor, there may be a deeper problem: a severely corrupted Windows installation, conflicting drivers, or simply hardware that has reached its limit.
At this point, a drastic but very effective step is to reset your PC or reinstall Windows from scratch . In Windows 10/11, you have the option to reset your computer from Settings > Recovery , choosing whether you want to keep personal files or erase everything. The truly clean solution is to remove everything and reinstall applications only when you need them.
Before clicking the button, remember to back up your documents, photos, projects, and anything else you don't want to lose , either to an external drive or the cloud. Once the system is clean, install the basic drivers from the manufacturer's website, apply Windows updates, and see how the "fresh" computer performs.
If performance remains poor after a clean reinstall and all optimizations, the bottleneck is most likely in the hardware . On desktops, upgrading to an SSD, increasing RAM, or installing a decent graphics card is usually enough to extend its lifespan by a few years. On laptops, sometimes you can only replace the hard drive and RAM; if even that doesn't fix it, it's probably time to replace it.
For those who don't want to remain tied to Windows on older computers, trying a lightweight Linux distribution like Linux Mint or Zorin OS is a very interesting alternative. Resource consumption is lower, security updates are maintained, and performance in basic tasks (browsing, office applications, multimedia) is usually much better than a heavyweight Windows system on the same machine.
As you can see, there's plenty of room for tweaking Windows before you give up on your PC. Reviewing startup services and programs, cleaning up junk files, monitoring for malware, adjusting visual effects, managing power consumption, and, if necessary, upgrading to an SSD or even a different operating system are all steps that, combined, can transform a frustratingly slow computer into a much more manageable machine for working, studying, or playing every day.