What Processor and RAM required for Windows 10 ?

RAM:
The amount of RAM needed depends on the version of Windows 10 you're using:
32-bit: Requires a minimum of 1 GB of RAM.
64-bit: Requires a minimum of 2 GB of RAM.
For a better experience, especially with multiple applications or demanding software, it's recommended to have more RAM than the minimum. 8 GB or higher is a good starting point, and 16 GB is recommended for more intensive tasks or power users.
Other Requirements:
Hard disk space: A minimum of 16 GB for 32-bit and 20 GB for 64-bit is needed.
Graphics card: DirectX 9 or later with a WDDM 1.0 driver is required.
Display: A minimum display resolution of 800 x 600 is needed.