How to Determine the Bit Count for a Windows Computer

This wikiHow teaches you how to determine your Windows computer's bit count, which typically will be either 32- or 64-bit. Open Start . Click the Windows logo in the bottom-left corner of the screen. The Start window will pop up.

Method 1 of 2:

Windows 10 and 8

Open Start

. Click the Windows logo in the bottom-left corner of the screen. The Start window will pop up.
1. You can also just right-click Start (or press ⊞ Win+X) and click System in the resulting pop-up menu. If you do this, skip the next two steps.
Open Settings

. Click the gear-shaped icon in the bottom-left corner of the Start window. This will open the Settings window.
Click System. It's a computer monitor-shaped icon in the Settings window.
Click About. This tab is at the bottom of the left-hand column of options. Doing so brings up a list of your computer's attributes.
Look for the "System type" heading. It's near the bottom of the "Device specifications" section toward the bottom of the window. You'll see either "64-bit" or "32-bit" to the right of "System type"; this is your computer's bit count.

Method 2 of 2:

Windows 7

Open Start

. Either click the Windows logo in the bottom-right corner of the screen, or press the ⊞ Win key.
Right-click Computer. It's on the right side of the Start window. Doing so prompts a drop-down menu.
1. If the My Computer app is on your desktop, you can right-click it instead.
2. If you're using a laptop with a trackpad, tap the trackpad with two fingers instead of right-clicking.
Click Properties. This option is near the bottom of the drop-down menu.
Look for the "System type" heading. It's below the "Installed RAM" heading on this page. You'll see either "64-bit" or "32-bit" to the right of "System type"; this is your computer's bit count.