3 of 12Image
Only Windows 8 Pro can join a Windows domain and take advantage of the dozens of new group policies that are exclusive to Windows 8.
BitLocker Drive Encryption offers strong encryption for entire drives, with the encryption secured by a password or a smart card. To encrypt the system drive, the PC must have a Trusted Platform Module. BitLocker To Go is ideal for USB flash drives and doesn't require any extra hardware.
BitLocker To Go was previously only available in Ultimate and Entrprise Windows editions. With Windows 8 it will be available with the mainstream business SKU, Windows 8 Pro.