: Some users on forums like Reddit have reported issues with keys from discount sites failing to activate or being revoked later. Using product keys with Microsoft 365
: For Office products, go to the Office Setup page and sign in with your Microsoft account. buy microsoft product key
: These are often OEM or Volume (MAK) keys intended for manufacturers or large businesses, not individual retail use. : Some users on forums like Reddit have
: If you are prompted for a key for an existing installation that won't activate, Microsoft suggests uninstalling the current version and performing a fresh install from the Store to ensure compatibility. Avoiding "Grey Market" Risks buy microsoft product key