Here is the PC hardware you will need to run Windows 10 when this new operating system upgrade arrives in late July. This list includes basic system requirements plus additional hardware that is required for certain features.
Image result for windows 10 blogspot
To upgrade you will need “the latest version either Windows 7 with Service Pack 1 (SP1) or Windows 8.1 with Update 2.
Processor: 1 GHz or faster processor or SoC (system on a chip). 64-bit versions of Windows 10 require a processor that supports CMPXCHG16b, PrefetchW, and LAHF/SAHF capabilities.

RAM: 1 GB for 32-bit or 2 GB for 64-bit

Hard disk space: 16 GB for 32-bit or 20 GB for 64-bit

Graphics: DirectX 9 or later with WDDM 1.0 driver. Some games and apps might require DirectX 10 or higher for optimal performance.

Display: 1024 x 600. The number of applications that can be snapped depends upon the minimum resolution for each application.

Touch: A tablet or a monitor that supports multi-touch. You can learn more here.

Internet access

Microsoft account: Required for some features.