WARNING: Unable to download from URI 'https://go.microsoft.com/fwlink/?LinkID=627338&clcid=0x409' to ''.

Well, I had the same problem. Set my Powershell to TLS 1.2 and it worked for me.

To test this :
1. Open Powershell (As Admin)
2. [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
3. Try it again!