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.
Xbox Insider Program FAQ | Xbox Support - support.xbox.com
What is the PC Gaming preview on the Xbox Insider Hub? On Windows devices, you can get early access to preview versions of gaming apps and features coming to Windows, including the Xbox app for Windows, Game Bar, Xbox Accessories app, and Gaming Services.
Delete your previous version of Windows - Microsoft Support
Ten days after you upgrade to Windows, your previous version of Windows is automatically deleted from your PC. If you need to free up drive space sooner and are confident your files and settings are correct, you can safely delete the previous Windows installation yourself.
Recovery options in Windows - Microsoft Support
Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.
How to revert to an earlier version of Office - Microsoft Support
Important: This article provides a list of recommended steps to revert to an earlier version of Microsoft 365, Office 2019, or Office 2016 that is installed by using Click-to-Run.
Restore a previous version of a file without unwanted changes
Restore earlier autosaved files without accidental or unwanted changes with Version History.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac
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.
Backup and restore with File History - Microsoft Support
To restore deleted content, or to restore a file or folder to a previous state: Open File Explorer and navigate to the folder that used to contain the file or folder. Right-click on the folder name, and then select Restore previous versions.
Restore a previous version of an Excel file - Microsoft Support
How to restore an Excel file to an older version when the file can no longer be opened. There are scenarios in which files become corrupted and can't be opens in Excel anymore.
Applies To:
Excel for the web
Restore a previous version of a file stored in OneDrive
With version history, you can see and restore older versions of your files stored in OneDrive or SharePoint. Version history works with all file types, including Microsoft 365 files, PDFs, CAD files, photos, videos, and more.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, OneDrive (work or school), Microsoft Office, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows