Where is the option to upgrade client pinegrow

Where is the option to upgrade client pinegrow. im looking in support i cant find it.

https://pinegrow.com/renew.html

If you want to upgrade to a > version:
https://pinegrow.com/upgrade-to-wp.html

If your want/need to renew your license to continue getting Pinegrow updates: https://pinegrow.com/renew.html