32-bit is excellent for running older 16-bit applications that fail on 64-bit systems. System Requirements for Windows 7 (32-bit) Processor: 1 GHz or faster. RAM: 1 GB. Hard Drive Space: 16 GB.
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Restart your PC and tap the Boot Menu key (usually F12, F11, or Esc) to select your USB drive. 32-bit is excellent for running older 16-bit applications