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How to determine if your version of Windows Vista is 32-bit or 64-bit

To determine if your version of Windows is 32-bit or 64-bit:

  1. Click Start, then click Control Panel.
  2. Click System and Maintenance.
  3. Click System. Look for System type.

The example shows "32-bit Operating System".

32-bit version of Windows Vista

  • Alias ID: MIGR-67491
  • Document ID: HT003604
  • Last Updated :17 Jun 2014
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