well i like to test alot of software am always downloading new stuff or bunch of programs to chk them out so even after i uninstall them my system doesnt run the same so i like 2 keep it clean.
I have a laptop and a desktop and i do my testing of new stuff on my desktop and that's the one i try to format ever 3mos or so i think 2 day is a good day 4 format heehehhehe ok maybe not sure