<P> Windows 7 Service Pack 1 ( SP1 ) was announced on March 18 , 2010 . A beta was released on July 12 , 2010 . The final version was released to the public on February 22 , 2011 . At the time of release , it was not made mandatory . It was available via Windows Update , direct download , or by ordering the Windows 7 SP1 DVD . The service pack is on a much smaller scale than those released for previous versions of Windows , particularly Windows Vista . </P>
<P> Windows 7 Service Pack 1 ( SP1 ) was announced on March 18 , 2010 . A beta was released on July 12 , 2010 . The final version was released to the public on February 22 , 2011 . At the time of release , it was not made mandatory . It was available via Windows Update , direct download , or by ordering the Windows 7 SP1 DVD . The service pack is on a much smaller scale than those released for previous versions of Windows , particularly Windows Vista . </P>
when was windows 7 service pack 1 released
when was windows 7 service pack 1 released
February 22 , 2011
February 22 , 2011