Nawala mo ba ung windows licence key ng PC mo or faded na ba ung product key sticker sa ilalim ng laptop mo share ko lng po tong tricks na to para hindi na kau magdownload pa ng 3rd party software type nyo lang po sa command prompt : " WMIC PATH SOFTWARELICENSINGSERVICE GET OA3XORIGINALPRODUCTKEY" w/o qoute po then press enter...