On: PowerShell is open sourced and is available on Lin...

[to3m]

There's a box you can tick that says no to all of that stuff, though I don't know if you can access it after the first run. (I never have to log in when I run Visual Studio.)

[vardump → to3m]

No, at least in the version I have, license expires quickly.

If I don't enter the credentials, it won't be able to renew the license, so it's not possible to use it at all. Regardless of any checkbox ticks.