To speed up a slow Windows 11 PC without spending money: restart properly, trim startup apps, free up disk space, uninstall bloatware, scan for malware, switch off unnecessary visual effects, and tidy your browser. These steps fix the vast majority of slowdowns, and none of them are risky. Do not worry if you are not technical – I will walk you through each one gently.
A slow computer is frustrating, but it is rarely broken. Almost always it is simply doing too much at once or running short on space. Let us fix that together, step by step.
1. Restart properly
It sounds too simple to count, but a genuine restart clears memory and stops the background tasks that quietly pile up over days of use. If you normally just close the laptop lid, give it a full Restart from the Start menu first – you may be surprised how much it helps on its own.
2. Trim your startup apps
Many programs set themselves to launch the moment Windows starts, and each one slows your boot and eats memory in the background. Open Task Manager (right-click the taskbar), go to the Startup apps tab, and disable anything you do not need running immediately – chat apps, update helpers, music players. You can still open them whenever you like; they just will not all rush to load at once.
3. Free up disk space
Windows slows noticeably when the drive is nearly full, because it has no room to work. Open Settings, System, Storage to see what is taking space, run Disk Cleanup to clear temporary files, and empty the Recycle Bin. Aim to keep at least 15% of your drive free – for our full method, see this guide as you work through it.
4. Uninstall what you do not use
Old programs and pre-installed bloatware take up space and sometimes run quietly in the background. Go to Settings, Apps, Installed apps, and remove anything you do not recognise or have not used in months. If you are unsure what something is, a quick search of its name will tell you before you remove it.
5. Scan for malware
A sudden, unexplained slowdown can mean something unwanted is running. Run a full scan with Windows Security, which is built in, or a trusted free tool – see our pick of the best free antivirus for Windows. Clearing out malware often restores performance instantly.
6. Turn off extra visual effects
The animations and transparency look lovely but cost a little performance on older machines. Search “performance” in the Start menu, open “Adjust the appearance and performance of Windows,” and choose “Adjust for best performance” – or untick just the effects you can live without.
7. Tidy your web browser
For a lot of people, the browser is the real culprit. Dozens of open tabs and a pile of extensions eat memory fast. Close tabs you are not using, remove extensions you do not need, and the whole machine often feels lighter.
8. Check power settings
On a laptop, a battery-saver power mode can deliberately slow the processor. In Settings, System, Power, set the power mode to Balanced or Best performance when you are plugged in.
If your PC is running hot as well as slow, heat may be causing it to throttle – our guide on lowering CPU temperature helps there. For background, Wikipedia covers Windows 11 in detail.
Frequently asked questions
Does adding more RAM speed up Windows 11?
It can, if you regularly run out of memory with many tabs or apps open. But try the free steps above first – they often solve the problem at no cost.
Will resetting Windows 11 make it faster?
A clean reset can revive a badly cluttered system, but back up your files first and treat it as a last resort after the steps above.
Why is my PC slow after a Windows update?
Updates sometimes run background tasks for a while after installing. Give it an hour, then restart; if it is still slow, check your startup apps and free disk space.
Is it safe to disable startup apps?
Yes. Disabling a startup app only stops it launching automatically – you can still open it manually whenever you need it.
Work down this list and most PCs feel genuinely quicker by the end. Take it one step at a time – you have got this.
Tasnin focuses on software, productivity apps, and beginner-friendly tutorials. She believes good tech writing should make you feel capable, not confused.