Windows 10 Technical Preview: Windows 10 Technical Preview - Enterprise: Other Downloads:! Windows-10 Enterprise: System requirements for Windows 10! Windows-10 System requirements 64-bit (x64) Processor (CPU) 1 GHz Win 10: CPU with PAE, NX and SSE2 support 20 GByte Hard disk space 2 GByte RAM DirectX-9-graphics Card PS: (60-120 GB is better) Windows 10 x64 supports 64 GB Windows-10 System requirements 32-bit (x86/x32) Processor (CPU) 1 GHz Win 10: CPU with PAE, NX and SSE2 support 16 GByte Hard disk space 1 GByte RAM DirectX-9-graphics Card PS: (60-120 GB is better) Windows 10 x32 supports a maximum of 4 GB.