recently got some promo codes for windows software 10% off ON newegg.com

Windows 7 and 8 or search term SHOWMEWIN for eligible software

Promo Code CHANGEISGOOD

Valid through 9/30/14

Also windows Server Windows Server Standard R2
Promo Code SAVESTDR2

and

Windows Server Essentials R2
Promo Code SAVEESSR2

Happy shopping :)