Go back to the previous version of Windows - Microsoft Support
Learn how you can go back to the previous version of Windows you had installed.
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.
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.
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.
Recovery Drive - Microsoft Support
This utility creates a USB recovery media that can help you restore your Windows device to its factory settings, even if you replace the hard drive or completely wipe the drive.
Backup, restore, and recovery in Windows - Microsoft Support
Learn about the different tools to backup and restore your data, and to recover Windows in case of a system failure.
Windows recovery environment - Microsoft Support
Learn about Windows RE, how to access it, and the different tools it offers.
Reinstall Windows with the installation media - Microsoft Support
Before reinstalling Windows using the installation media, review the article Recovery options in Windows, which provides an overview of the different solutions to recover Windows.
Fix issues by reinstalling the current version of Windows
If your PC is experiencing problems, especially issues related to Windows Update, you can use the Fix problems using Windows Update recovery option to reinstall the current version of Windows.
Retrieve files from the Windows.old folder after a Windows upgrade
Learn how to find files from an older Windows installation after upgrading Windows