Wikipedia is a free encyclopedia of enormus scope and usefullnes.http://en.wikipedia.org/wiki/Main_Page
Smart Computing -a monthly magazine dealing with developments, articles and tips primarily for Windows Operating System.
http://www.smartcomputing.com/
http://www.smartcomputing.com/
APCUG-The Association of Personal Computer Groups. A national organization representating PC users.http://www.apcug.net/
filehippo.com is a website, malware free, from which you can find a wide variety of free and trial software.
http://www.filehippo.com/
http://www.filehippo.com/