Need Help with How To Set Up A Web-Based Enterprise Password Manager

I may be a bit slow but I would like to know if I need to install on two different computers?

How To Set Up A Web-Based Enterprise Password Manager Protected By Two-Factor Authentication

This gives me the impression that I need to install another program on a different computer.
Please give me some help.

Thanks so much.

 

Thanks for the info I think that got it working.