What is your operating system?
Do you want to know what operating system is installed on your computer? Discover in a few seconds what version of Windows or Mac OS X you are running on: surf to microsoft.com or apple.com.
You will also see which processor you have (32-bit or 64-bit) and other details about your operating system (Service Pack, Build, etc.).
Do you have a Windows PC?
- Discover your version of Windows (Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, etc.) on microsoft.com.
- See if you have a 32-bit or 64-bit processor on microsoft.com.
Do you have a Mac?
- Discover your version of Mac OS X (High Sierra, Sierra, El Capitan, Yosemite, Mavericks, etc.) on apple.com.
- See if you have a 32-bit or 64-bit processor on apple.com.