Sign in

Unsupported operating system error when installing Office

When you try to install Office 2016 from, you might see the following error message:

Unsupported Operating System error indicates you can't install Office on your current device

For the best performance, use the latest version of the Windows or Mac operating system for your version of Office as follows:

  • PC: Windows 10, Windows 8.1, Windows 8, Windows 7 Service Pack 1, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, or Windows Server 2008 R2

  • Mac OS X 10.10

Check the system requirements for the latest info.

Did you buy the right version of Office for your hardware?

If you bought a one-time purchase of Office, such as Office Home & Student, you might have bought the Mac version for your Windows PC, or the Windows version for your Mac.

To check which version you bought, go to and look for the following:

This is the Windows version

How the PC version of Office 2016 appears on

Windows versions of Office might show for PC in the title. If you don't see it, look for For 1 PC in the subtitle

This is the Mac version

How the Mac version of Office 2016 appears on

Mac versions of Office show for Mac in the title and For 1 Mac in the subtitle

If you bought the wrong version of Office for your hardware, contact Microsoft support.

Note: Office 365 can be installed on both Windows PCs and Macs.

Are you installing on a mobile device?

The big orange Install button doesn't work for mobile devices. For help installing Office on your mobile device, see Set up Office apps and email on a mobile device.

Expand your Office skills
Explore training
Get new features first
Join Office Insiders

Was this information helpful?

Thank you for your feedback!

Thank you for your feedback! It sounds like it might be helpful to connect you to one of our Office support agents.