List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Uninstall or remove apps and programs in Windows - Microsoft Support
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Configure Startup Applications in Windows - Microsoft Support
Learn how to optimize system performance by managing startup applications in Windows.
Use the System File Checker tool to repair missing or corrupted system ...
When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.
Defragment / optimize your data drives in Windows - Microsoft Support
Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.
Tips to improve PC performance in Windows - Microsoft Support
To help diagnose and resolve many of these issues, you can use the Microsoft PC Manager app, which provides tools to clean up storage, manage startup apps, and optimize system performance. Download PC Manager app. This article lists several solutions that may help improve your PC’s performance.
Fix problems that block programs from being installed or removed
After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11. Learn more. Note: Use these steps for Windows programs.
System Configuration Tools in Windows - Microsoft Support
Windows provides a variety of configuration tools tailored to meet the needs of different users. These built-in tools facilitate your device's customization and monitoring, allowing you to change Windows' configuration to suit your preferences and requirements with precision.
Make older apps or programs compatible with the latest version of ...
Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.
Running troubleshooters in Get Help - Microsoft Support
Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to run that troubleshooter. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.