If you think you already have a key but can't find it, you can use the : Type cmd in the search bar and run it as Administrator .
: If you previously owned a digital license, you can often reactivate by signing into your Microsoft account. Important Considerations for "Free" Keys windows-8-1-product-keys-free-for-all-editions-32bit-64bit
: If you purchased a PC with Windows 8.1 pre-installed, your product key is usually embedded in the BIOS or printed on a COA sticker on the device. If you think you already have a key