If you need to run Windows 10 Pro on older hardware with 2GB of RAM or less, or you require legacy driver support, the version is the right choice.

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Last Updated: April 14, 2026

| Feature | 32-bit (x86) | 64-bit (x64) | | :--- | :--- | :--- | | | 4 GB max (usually 3.2 GB usable) | 128 GB+ | | App Support | No modern 64-bit apps | Runs both 32 & 64-bit apps | | Gaming | Very limited (older titles only) | Full support | | Drivers | Legacy hardware only | Modern hardware required |

If your PC can run the 64-bit version, download that instead. Only use 32-bit for vintage machines or very specific industrial/legacy software.