A: Phone activation still works if you have a valid product key. Without a key, phone activation is impossible.
Press the , type "CMD" , right-click it, and select Run as administrator . Install the KMS Client Key :
slmgr /ipk <product_key> slmgr /ato
Open an elevated Command Prompt (Admin) and type: wmic path SoftwareLicensingService get OA3xOriginalProductKey .
: Copy the revealed key and enter it via the activation menu (press Windows Key + R , and hit Enter). Microsoft Learn 3. Generic Installation Keys
