How can I find out if I have a 32-bit or a 64-bit Windows operating system?
Windows 10 
  1. From the Start menu, click settings Settings
  2. Click System
  3. Scroll down and click on About
  4. The System Type header will tell you whether you are running 64 or 32-bit. 

Windows 8
  1. Slide the right side of the screen to access Settings.
  2. From the Control Panel list, click System and Security
  3. Select System
  4. The System Type header will tell you whether you are running 64 or 32-bit. 


Windows 7
  1. Click Start, go to the Search box and type system.
  2. From the Control Panel list, click system
  3. The operating system is displayed as follows:

    64-bit Operating System appears for the System type under System.

    32-bit Operating System appears for the System type under System.