Changes
→os
* microsoft windows xp professional, , sp3, 5.1.2600
* microsoft(r) windows(r) server 2003, standard edition, , sp2, 5.2.3790
* microsoft windows 7 professional, , sp1, 6.1.7601
* microsoft windows server 2008 r2 standard, , sp1, 6.1.7601
'''Example usage:'''