Activation Key !!top!! — Windows Server 2008 R2
A Windows Server 2008 R2 activation key is a 25-character code used to activate your Windows Server 2008 R2 installation. The activation key is used to verify that your copy of Windows is genuine and to prevent piracy. Without a valid activation key, you will not be able to use your Windows Server 2008 R2 installation fully.
There are two types of activation keys for Windows Server 2008 R2: windows server 2008 r2 activation key