Windows 7 Home Premium - Update from XP or Vista (3 positions) (DVD-ROM)
I was running XP for a while, I started, in the box there are 2 installation CD 1 for 32-bit and one for 64-bit version, I chose the 64-bit version that allows to increase the amount of RAM beyond 3 GB (32-bit limit.) I have 2 GB and therefore plan t