idolw - 7:05 am on Jul 22, 2013 (gmt 0)
Desktops and laptops can run on Win7 (great system) for years - Office 2003 and 2007 are good enough, too.
If one is not a gamer, most of their non-ffice activity takes place in the browser, be it IE or Firefox or Chrome.
Win7 does not crash, works fast, etc. Why should anyone think of upgrading?