Windows 7?
Windows 7?
Service updates? Premium access? Elite tier? If your system handles over 16 gigabytes of memory, upgrade to Pro; otherwise, opt for Home Premium. The bulk of Ultimate and Pro content is rarely something you’ll actually need.
yeah, the other packs don't really do much more then add useless features Source: I've used Home Premium, Pro and Ultimate, there is literally no difference except the allowed RAM amount Edit: if you need more info check here for the features https://en.wikipedia.org/wiki/Windows_7_editions