How to manage the Windows 11 rollback period to a previous Windows version. Upgraded from Windows 10 to Windows 11 and ran into more bugs or slower startup times? Don't worry. You can roll back to Windows 10 within the first 10 days. Your PC keeps a backup in the Windows.old folder, but it's only available for that short window before it is automatically deleted. The good news is that there are ways to extend that rollback period for up to 60 days. Before we begin, be sure to subscribe to NinjaOne's IT Video Hub and our YouTube channel for more tech content like this. Prerequisites to keep in mind. Before you get started, make sure you have the following: administrative privileges. You'll need administrator rights on your PC. Without them, you won't be able to extend the rollback period. Windows.old folder. Your computer must still have the Windows.old folder. This is the backup of your previous Windows installation, and without it, rolling back simply isn't possible. Method one: check the current rollback period using DISM. This approach works best if you simply want to check how much time remains in your rollback window. To do this, open Command Prompt or PowerShell as an administrator. Type this command: DISM /online /get-osuninstallwindow. You'll see the current rollback period in days. If you get the message, "Error 1168: Element not found," the rollback period has expired and the Windows.old folder is already gone. Method two: change the rollback period using DISM. This method works best when you need to extend the rollback window across multiple devices. Open Command Prompt or PowerShell as an administrator. To set the rollback period anywhere from two to 60 days, type replace with your desired value. For example. You'll see a confirmation message once the operation is complete. Method three: configure the rollback period via Registry Editor. This method enables manual customization of the rollback period. Press Win + R, type regedit, and press Enter to open the Registry Editor. Go to HKEY_LOCAL_MACHINE\SYSTEM\Setup. Look for a DWORD value called UninstallWindow. If it's not there, you can create it by right-clicking the right pane and going to New, DWORD 32-bit Value. Name it UninstallWindow. Double-click UninstallWindow and change the base to decimal. Enter a number between two and 60 to set your rollback period in days. Click OK, close the Registry Editor, and restart your PC to apply the changes. Extending your rollback period gives you more flexibility when recovering an older version of Windows. Instead of being limited to the default 10 days, you can increase the window to up to 60 days using Command Prompt, PowerShell, or the Registry Editor. Just be sure to do this before Windows automatically removes the Windows.old folder or rollback won't be possible. For more information, check out our official blog post on how to manage the Windows 11 rollback period to a previous Windows version, linked in the description below.