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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


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      • Alias ID: MIGR-67491
      • Document ID: HT003604
      • Last Updated :17 Jun 2014
      • © 2016 Lenovo