# how do i activate net framework 3.5? i need to do it because when i try to open thememii it say i need net framework 3.5 to use it
# https://learn.microsoft.com/en-us/dotnet/framework/install/dotnet-35-windows Install .NET Framework 3.5 on Windows 11, 10, 8.1, 8 - .NET Framework Learn how to install the .NET Framework 3.5 on Windows 11, Windows 10, Windows 8.1, and Windows 8.