Documentation for upgrade from GRC 6.2 to 6.3
Bill here's the guide, RSA Archer 6.3 Platform Installation and Upgrade Guide
The rest of guides can be found by going to, RSA Archer Customer/Partner Community and on the left side you'll see Product Versions, click on Version 6.3
I literally found everything I needed about a minute after I finished typing my question.
Next time I will dig a little deeper before asking ☺