Activate Windows using the keyboard shortcut.
Activate Windows using the keyboard shortcut.
The activation depends on the specific version of Windows you're using. Different versions have different restrictions on how many times a key can be used across devices. Your experience with Windows 8 and 8.1 suggests flexibility, while the limitation in Windows 7 Professional indicates it may be more restrictive. Check your current version for accurate details.
Unless you purchase a particular Windows edition, you can only press each key once.
OEM keys are typically single-use, while retail versions can be utilized repeatedly as long as each device is distinct. This is the standard policy.