SourceGear Support

Is it possible? The install guide does not mention it, just using a domain account.
http://www.sourcegear.com/vault/support/install3.html

Is there a way to do this on vers. 3.5.1?

if i purchase vault with or without gold support how long is the license good for?

how long is this support good for?

each of these products come with gold support:
https://store.sourcegear.com/sgstore/or ... mily=vault

is this gold support the same one that can be obtained here?
https://store.sourcegear.com/sgstore/or ... amily=gold