Xtender access can be requested by going to our Support Portal and in the keyword search enter "xtender" and then select the appropriate access you are requesting on the left. Note that all requests go to the appropriate Data Steward for approval. There are also several knowledge base articles on how to use Xtender which you will find in the middle under Knowledge Base.
You can access Xtender by logging into Ursa. It can be found under the Employee tab, "Application Xtender Web Access".