how to run the plugin "pro site" ??

1 - I register
2 - pay
3 - I get emails and I click on the link
4 - go into admin

problem number 1 (I was not asked if I wanted to create a site)

problem number 2 (in admin there is the "pro upgrade")

The video tutorial is incomplete

see video tutorials:
http://youtu.be/Nd1g2NvM-Bc?t=2m25s