Unlike traditional upgrades, WAU was near-instant because the necessary components were already pre-installed on the hard drive; they simply needed a key to be "unlocked".
Moving to the Professional edition unlocked critical business tools, such as Domain Join , Location Aware Printing , and Encrypted File System (EFS) . windows 7 professional anytime upgrade key
The process was entirely digital, initiated directly from the Start menu's "Get more features with a new edition of Windows 7" link. The 2026 Reality: A Review of Current Utility Unlike traditional upgrades