Go back to the previous version of Windows - Microsoft Support
For a limited time after upgrading Windows, you have the option to go back to the previous version you had installed. This can be useful if you encounter issues with the new version, such as compatibility problems with your software or hardware, or if you simply prefer the way things worked before.
System Restore - Microsoft Support
With System Restore you can revert your PC's state to a previous point in time. This can be particularly useful when troubleshooting issues caused by recent changes, such as software installations, driver updates, or system settings modifications. By using System Restore, you can undo these changes without affecting your personal files, providing a safe way to resolve problems without losing ...
Recovery options in Windows - Microsoft Support
Yes, you can roll back to a previous version of Windows if you encounter issues after upgrading. This option is available within 10 days after upgrading to a new version of Windows.
Delete your previous version of Windows - Microsoft Support
Delete your previous version of Windows Ten days after you upgrade to Windows, your previous version of Windows will be automatically deleted from your PC. However, if you need to free up drive space, and you’re confident that your files and settings are where you want them to be in Windows, you can safely delete it yourself.
Reset your PC - Microsoft Support
Resetting your PC in Windows is a powerful feature that allows you to restore your device to its original state, which can be useful whether you're experiencing performance issues, software problems, or simply want a fresh start. This feature is designed to be user-friendly and provides several options to suit different needs. Reset options Here's a list of options when resetting your PC:
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Windows recovery environment - Microsoft Support
Uninstall Updates: Allows you to uninstall recently installed updates from Windows UEFI Firmware Settings: When using this option, your device restarts and takes you to the UEFI firmware settings screen, where you can configure various hardware settings, such as boot order, secure boot, and other system-level options.
Make older apps or programs compatible with the latest version of ...
Other Apps: If the app wasn’t downloaded from the Microsoft Store, check the publisher’s website for a new or updated version. Search for terms like "Windows compatibility" to locate relevant updates.
Fix issues by reinstalling the current version of Windows
It will start downloading a repair version of the last operating system update that was successfully installed on your PC. Once the download is complete, the repair version of the update installs.
How to perform a clean boot in Windows - Microsoft Support
Install, uninstall, or run an application After you restart the computer, you'll have a clean boot environment. Then, do one of the following, as appropriate for your situation: