The first purchased key didn't work. But after emailing support in under 5 minutes, they sent a replacement key. Which worked. Very fast, and very reliable.

supervelocissimo... Perfetto niente di meglio

Excelente, el proceso super rapido y pude activar al toque

codes sent did not work, however with the help of support it was resolved, new codes were sent which worked

Worked right away first try. Had to change my motherboard and processor, really annoyed Microsoft wouldn't just transfer my original license. Thanks a ton.