In the newer versions of Windows ( Windows 7 , 8, 2008, and 2012) there is a GPO to activate or reorder any of the supported cipher suites, here are the steps:
1- open GPO snap-in ( start > run > mmc > add snap-in > GPO
2- browse to "Computer Configuration > Administrative Templates > Network > SSL Configuration setting
3- double click "SSL Cipher Suite Order
4-Cipher suites are in comma-separated format, and listed by order, reorder or remove as required and then click Apply/OK
5- run gpupdate from command line to refresh GPO's on the server.