2013-08-08 02:28 AM
2013-08-08 03:13 AM
yes you can install again you don't need to to re-register though you just use your old account or if you hae your games registired on origin download the digital versions of your games
see here to see what files to back up saved sims saved games etc. http://sims3.crinrict.com/en/2011/03/faq-what-files-should-i-backup.html