Learn how to find a Windows product key for activation, and when you'll use a digital license instead.
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the …
A product key is a 25-character code used to activate Windows. What you'll see is PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX …
Activate Microsoft 365 or a non-subscription version of Office. Activate Microsoft 365 or a non-subscription version of Office …
An activation code (also known as an activation key) is used to activate the software after installation. Activation ensures …
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