| Feature | Old Anytime Upgrade | Modern Upgrade | | :--- | :--- | :--- | | | Windows 7 / 8 | Windows 10 / 11 | | Purchase method | Third-party keys | Microsoft Store / retail | | Activation servers | Mostly offline | Active | | Requires reinstall? | No | No | | Cost | ~$50–$80 (historical) | $99 (Home → Pro retail) |
It sounds promising: "Anytime Upgrade" implies you can flip a switch and turn Windows Home into Windows Pro whenever you want. But if you’ve tried to use one of these keys recently, you’ve probably hit a dead end. windows anytime upgrade keys
There are two types of WAU keys:
Windows Anytime Upgrade keys were a convenient way for users to upgrade their Windows operating system to a higher edition. While the feature is no longer available in newer versions of Windows, existing WAU keys can still be used to upgrade older versions of Windows. This report provides a comprehensive overview of WAU keys, their functionality, and usage. | Feature | Old Anytime Upgrade | Modern