I am unsure of what you mean by update tabs. The most secure way to do an update (there is a new one today) is to follow the instructions given here to run Web Setup from your windows start button. 

For 2020 > Hit the Windows Button > Type "2020 Lacerte Web Setup" > Hit Enter > follow the prompts

REP access is initiated when you go to FORMS view or try to print. HINT: If you want to do a return as practice use all 9s for the EIN or SSN. You will do REP, but there is no charge.

P.S. Loose the attitude. This is a user forum and I and most of the responses you get will be from other VOLUNTEER users that definitely give a rip..