I have two computers a Windows XP home service pk 2 and a Windows NT. The one running xp is a laptop, is there anyway i can run ubuntu on one or both pc's? and how without paying money? im sort of tech savy but the regestry and hard to get virtual programs scare me so please be specific with instructions. also note that the win-nt is very old and slow with about 4GB total leftover space and no usb ports taking CDs and floppys while the win-xp has about 15GB free space USB DVD and CD if it makes any differance i might condsiter paying under $100 if i dont have to use a credit card.