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Top Reasons Why Programs Run Slow on Windows 11 and How to Fix Them


Is your Windows 11 PC feeling a bit sluggish? Programs taking forever to open or respond can be incredibly frustrating. Don’t worry—you’re not alone, and this guide will walk you through some effective ways to speed things up. Whether you’re using your PC for work, gaming, or just browsing, these tips will help you get the most out of Windows 11.


Why Are Programs Running Slow on Windows 11?

Windows 11 is designed to be fast and efficient, but several factors can slow it down:

  • Too many apps running simultaneously
  • Outdated system or app software
  • Insufficient RAM or storage space
  • Background processes consuming resources
  • Malware or virus infections
  • Fragmented or full hard drive
  • Corrupt system files

Understanding the cause helps you fix the issue faster.


Quick Tips to Speed Up Programs on Windows 11

1. Close Unnecessary Apps & Background Processes

Having multiple apps open drains your system resources. Press Ctrl + Shift + Esc to bring up Task Manager. In the Processes tab, check which apps are using the most CPU and memory. Select unnecessary apps and click End Task.

2. Update Windows and Your Programs

Running outdated software can cause compatibility and performance issues.

  • Go to Settings > Windows Update and click Check for updates.
  • Also, update your apps via the Microsoft Store or the apps’ individual update options.

3. Restart Your PC Regularly

A simple restart clears temporary files and background processes that might be slowing down your PC.

4. Free Up Disk Space

Low disk space can slow down program loading times.

  • Go to Settings > System > Storage and enable Storage Sense to automatically clean temp files.
  • You can also manually delete unnecessary files or uninstall apps you don’t use.

5. Disable Startup Programs

Too many programs starting with Windows can drag down performance.

  • Open Task Manager > Startup tab.
  • Disable apps that you rarely need on startup by right-clicking and selecting Disable.

6. Run the Performance Troubleshooter

Windows 11 has built-in troubleshooters that can detect and fix performance issues:

  • Go to Settings > System > Troubleshoot > Other troubleshooters.
  • Run the Program Compatibility Troubleshooter or Performance troubleshooter if available.

7. Check for Malware

Malware can significantly impact performance. Run a full scan with Windows Defender or your preferred antivirus software.

8. Adjust Visual Effects for Best Performance

Windows 11 looks great, but animations and effects can use extra resources.

  • Right-click Start button and choose System.
  • Click Advanced system settings > Performance Settings.
  • Select Adjust for best performance or customize which effects to keep.

9. Upgrade Hardware (If Needed)

If your PC is still slow, consider upgrading to:

  • More RAM (especially if you use heavy apps)
  • Faster SSD storage instead of HDD for quicker file access


Bonus: Use Windows 11 Optimization Tools Wisely

There are many third-party optimization tools available, but use them carefully. Stick to trusted software like Microsoft’s own PC Manager or reputable names like CCleaner for disk cleanup.


Wrapping Up

Slow programs on Windows 11 don’t have to be a mystery or a permanent problem. By following these easy steps—closing unnecessary apps, updating software, cleaning storage, and more—you can restore speed and smooth operation to your PC. Remember, regular maintenance keeps your system healthy and efficient!

If you keep your Windows 11 updated and avoid cluttering your startup with unnecessary apps, your favorite programs will be up and running quickly again in no time.


Did you find this guide helpful? Feel free to share your own performance tips below or ask any specific questions you have about Windows 11!

Updated on July 5, 2025
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