If you want to upgrade to Windows 10 on your PC or tablet, here¡¯s what it takes
Make sure that you are running the latest version of either Windows 7 SP1 or Windows 8.1 Update.
1 gigahertz (GHz) or faster processor or SoC
1 gigabyte (GB) for 32-bit or 2 GB for 64-bit
Hard disk space:
16 GB for 32-bit OS 20 GB for 64-bit OS
DirectX 9 or later with WDDM 1.0 driver