If the PCs are new, since LANDesk is still needed on the official FHC computers, install that first, that is required before going back and installing Tivoli. That is because of the need to be sure the filtering works first before putting Tivoli on. Test filtering after installing LANDesk. use http://filteraudit.cjclds.net/
and if it shows a blocked page message then you're set. Anotehr way if I screwed up on the URL is to go to billiongraves.com as they have a Youtube video on the main page, if that video shows a blocked page message, you're OK, then you can install Tivoli.
Tivoli will do a forced reboot after installing. Once that is done, click on the Tivoli item in the system tray and open it. That will bring up the 'Offers' page. Sophos will be one of them, and it will say it's for Family History Centers. Install that.
Anything else in the offers is largely optional, so consult with the FHC Director as to what to add. Last week a computer was fixed in my FHC, the STS didn't have the time to reinstall all the software, what had happened caused all the registry files for just about everything to be corrupted, even had to reinstall browsers and other things too. On a 7mbps connection, it took me an hour to load in LANDesk, Tivoli, and Sophos, but only about 15-20 minutes to get six other software items on that machine that we put on the computers in my center so they would work again.