“unity failed to install .NET framwork 3.5”
windows 10, google doesnt show anything helpful
What version of Unity are you using? On my computer(In all the Unity’s versions) I need to have .NET Framework 4.0 or more…
https://www.microsoft.com/pt-br/download/details.aspx?id=53344
The link above takes you to the .NET’s download page, so you can install the latest version, that should work in your computer 