Windows Minimum System Requirement

Windows 7 Operating System (32 bit or 64 bit)

Processor requirement         : 1 gigahertz (GHz) 
RAM Requirement                 : 1 gigabyte
Hard Drive Requirement       : 16 GB

Windows 8 Operating System (32 Bit):

Processor requirement         : 1 gigahertz (GHz) 
RAM Requirement                 : 1 gigabyte
Hard Drive Requirement       : 16 GB

Windows 8 Operating System (64 Bit):

Processor requirement         : 1 gigahertz (GHz) 
RAM Requirement                 : 2 gigabyte
Hard Drive Requirement       : 20 GB

Windows 10 Operating System (32 Bit):

Processor requirement        : 1 gigahertz (GHz) 
RAM Requirement                : 2 gigabyte
Hard Drive Requirement      : 16 GB

Windows 10 Operating System (64 Bit):

Processor requirement         : 1 gigahertz (GHz) 
RAM Requirement                 : 2 gigabyte
Hard Drive Requirement       : 20 GB

FYI: Please note above requirement is just the requirement which will start and run operating systems. But you can’t expect anything in the performance.