How to tell if you have 32-bit or 64-bit Windows 7 By Drew Mathers | July 16, 2015 1 1. Click: Start 2 2. Click: Control Panel 3a 3a. Click: System and Security (if Control Panel is set to: Category) 3b 3b. Click: System (if Control Panel is set to: Category) 3c 3c. Click: System (if Control Panel is set to: Icons) 4 4. Note the value under: System type Posted in Supplemental
