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

Reference Number: KB-01230
Last Modified: January 30, 2018

The information in this article applies to:
Chief Architect Premier or Chief Architect Interiors

Home Designer Professional or Home Designer Architectural or Home Designer Suite or Home Designer Interiors 


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 scroll down to the instructions that are applicable to your operating system.

Note: If you are not sure what operating system you are using please review the article on Finding Information About your System linked in the Related Articles section.

To determine system type for Mac OS X

  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.

  4. Use the chart below to identify your processor:

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.

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

    • 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.