Determine OS Version: 32 vs 64 bit-Computing Services - Carnegie Mellon University

Determine OS Version: 32 vs 64 bit

To determine if your Intel-based computer is running the 32 or 64 bit version of Windows, follow the appropriate steps below.

  1. Depending on your operating system, do one of the following:
    • Windows 8: Use the Search tool to find Control Panel, and then select Hardware and Sound > System and Security > System.
    • Windows 7: Click Start > Control Panel > System and Maintenance. Click System.
  2. A screen similar to the following appears. To determine if your operating system is the 32 or 64-bit version, see System type.

Last Updated: 12/5/13