Windows System Requirements — Complete Reference Guide

This page provides a clean, easy-to-read reference for the minimum hardware requirements of every major Windows version from Windows 1.0 to Windows 11. Use this guide to quickly check RAM, CPU, graphics, and storage requirements across the entire Windows family.

Minimum System Requirements for All Windows Versions

The table below lists the minimum hardware specifications required to install and run each version of Microsoft Windows. These values represent Microsoft’s official baseline requirements at the time of release.

Windows Version Minimum RAM CPU Requirement Graphics Requirement Storage Requirement
Windows 1.0256 KB8086/8088CGA/EGA2 MB
Windows 2.0512 KB8086/286CGA/EGA/VGA3 MB
Windows 3.x1–2 MB286/386VGA6–10 MB
Windows 954 MB386DXVGA50 MB
Windows 9816 MB486DXVGA500 MB
Windows ME32 MBPentiumVGA320 MB
Windows NT 3.x12–16 MB386/486VGA90–120 MB
Windows NT 4.016 MBPentiumVGA110 MB
Windows 200064 MBPentium IIVGA650 MB
Windows XP64–128 MBPentium IISVGA1.5 GB
Windows Vista512 MB1 GHzDirectX 915 GB
Windows 71–2 GB1 GHzDirectX 916–20 GB
Windows 8 / 8.11–2 GB1 GHzDirectX 916–20 GB
Windows 102 GB1 GHzDirectX 920 GB
Windows 114 GB1 GHz (64‑bit)DirectX 12 + WDDM 2.064 GB

Note: These are minimum requirements. Real-world performance typically requires higher specifications, especially for modern workloads.