Increase the period during which you can revert to a previous version of Windows

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Hello,

By default, you can downgrade to a previous version of Windows 10 days after installing the new version.

Once this period has elapsed, it is no longer possible to go back, but it is possible to increase this period (60 days maximum) and give yourself more time to validate that the new Windows is working properly.

PowerShell code used in the video

# Display the number of days (from 2 to 60) during which it is possible to go back.
DISM /Online /Get-OSUninstallWindow 

# Set the number of days remaining during which it is possible to go back (default: 10)
DISM /Online /Set-OSUninstallWindow /value:30

## Display installation date
# In powershell
(Get-ComputerInfo).OsInstallDate

# If you want to know the date after which you can't go back
$duree = ((DISM /Online /Get-OSUninstallWindow | Select-String Uninstall) -split ': ')[-1]
(Get-ComputerInfo).OsInstallDate.AddDays($duree)

Video : Increase the period during which you can revert to a previous version of Windows

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