How to Determine Your Operating System

Follow these steps to determine which Windows* operating system is running on your computer.

Windows® 10

1. Click the Start or Windows button (usually in the lower-left corner of your computer screen).
2. Click Settings.
3. Click About (usually in the lower left of the screen). The resulting screen shows the edition of Windows.
    

Windows 8* or Windows 8.1*

Option 1: From the desktop

1. Swipe in from the upper-right corner of the screen while viewing the desktop to open the menu, and then touch Settings.
2. Select PC Info. Under Windows edition, the Windows version is shown. 

Option 2: From the Start Screen

1. While on the Start screen, type computer.
2. Right-click the computer icon. If using touch, press and hold on computer icon.
3. Click or tap Properties. Under Windows edition, the Windows version is shown. 

Windows 7*

1. Click the Start or Windows button (usually in the lower-left corner of your computer screen).
2. Right-click Computer and choose Properties from the menu. The resulting screen shows the Windows version.

See the Microsoft sites below for more details:

• Which operating system am I running?
• How to determine whether a computer is running a 32-bit version or 64-bit version of the Windows operating system.