hi - got asus x102AB laptop, im upgrading to windows 10 home..went through all the process of downloading, checking, checking spave on my pc...etc....now its stuck on the "Upgrading Windows" its done 15% in about about 90 minutes...what shall i do ?..do i simply pull the plug on the laptop.....help please,,ta

i did have windows 8.1 64 bit on it then had the confirmation from MS to upgrade which im doing but stuck now..