Determining If Your Computer is 32-Bit or 64-Bit

Reference Number: KB-01230
Last Modified: July 8, 2021

The information in this article applies to:

Chief Architect Premier or Chief Architect InteriorsHome Designer Professional or Home Designer Architectural or Home Designer Suite


How do I determine if I have a 32-bit or 64-bit system?


In this article, we will explain how to determine if your system is a 32-Bit or 64-Bit system. Please select the option that is applicable to your operating system.

To determine system type for macOS

  1. Open the Apple menu and choose About This Mac.

  2. Click the System Report button. If you do not see a System Report button, click the More Info button and then click the System Report button.

  3. Under the Hardware panel, locate the Processor Name in the Hardware Overview.

    Macbook Pro Hardware Information

  4. Use the chart below to identify your processor type.

    32 and 64 bit processors

To determine system type for Windows

  1. On the keyboard, hold down the Windows Key  and press the letter R.

  2. In the Run dialog that displays, type in msinfo32 and click OK.

    Microsoft Run dialog

  3. In the System Information dialog that displays, on the System Summary panel, look for the line that says System Type

    Microsoft System Information

    • System Type x64-based PC means that you have a 64-bit system.
    • System Type x86-based PC means that you have a 32-bit system.