Windows 7 Professional Anytime Upgrade Key |verified|

Moving to the Professional edition unlocked critical business tools, such as Domain Join , Location Aware Printing , and Encrypted File System (EFS) .

Once the PC reboots into Windows 7 Professional, you must activate the new edition within 30 days via the Computer Properties menu. Common Issues & Current Availability windows 7 professional anytime upgrade key

Since Microsoft no longer sells these keys, users are left with three options, each with varying degrees of success and safety: such as Domain Join