I can't build PC, Mac and Linux Standalone cause I dont have a FB module

Unity Engine
,
1

Picture:

[Album] imgur.com

but when I press it it shows this(need help)

http://download.unity3d.com/download_unity/472613c02cf7/TargetSupportInstaller/UnitySetup-Windows-Support-for-Editor-2017.1.0f3.exe

2

That looks like a messed up install. Can you try deleting Unity directory from C:\ProgramData and see if it helps?