* For a 64-bit version operating system: 64-bit Operating System appears for the System type under System. The operating system is displayed as follows: , type system in the Start Search box, and then click system in the Programs list.Ģ. Method 1: View System window in Control Panel If you have Windows Vista, there are two methods to determine whether you are running a 32-bit or a 64-bit version. You may find it easier to follow the steps if you print this article first. This article is intended for a beginning to intermediate computer user. In order to optimize the computer's performance, the bit count of the operating system that is installed on the computer should match the bit count of the computer itself. Generally, a computer's bit count indicates how much data it can process, the speed with which it can process the data, and the memory capacity. This article describes how to determine whether a computer is running a 32-bit version or 64-bit of the Windows operating system.
