Requirements: 
.NET 4.0 or Windows 8/2012.
Activate: 
- Windows Vista Business/N/Enterprise/N
- Windows 7 Professional/N/Enterprise/N
- Windows 8 All
- (Windows 8.1 Need Internet Conexion and Time Sinchronization)
- Office 2010/2013
- Windows Server 2008/Standard/Datacenter/Enterprise/2008R2/Standard/Datacenter/Enterprise/2012/Standard/Datacenter