ah thank you so much all of you. i think the key was in the bios somehow from beforehand research. i just booted to usb key, deleted every partition, clicked new, hit enter, and this thing is as fast as my desktop now and it didnt even ask for a windows license key
worked perfect. now this is as fast as my desktop. just deleted all partitions. clicked New, hit enter and it didn't even ask for windows key.
edit: it automatically activated too