Check whether a version of Microsoft Office will run on your computer, based on Microsoft's official system requirements.
Choose your operating system and the version of Office you want to use.
Source: Microsoft 365 & Office system requirements . Always confirm the full requirements on Microsoft's site before purchasing.
Microsoft 365, Office 2024, and Office 2021 are all officially supported on Windows 11 (and Windows 10). Older versions like Office 2019 and 2016 were built for Windows 10 and have reached end of support.
Yes. Microsoft 365, Office 2024, and Office 2021 for Mac are supported on one of the three most recent versions of macOS. Always keep macOS reasonably up to date for the best compatibility.
On Windows: Windows 10 or 11, a 1.6 GHz or faster 2-core processor, 4 GB RAM (2 GB for 32-bit), 4 GB free disk space, and a 1280×768 screen. On Mac: one of the three most recent versions of macOS, 4 GB RAM, 10 GB free disk, and a 1280×800 screen.
No. Current versions of Office require Windows 10 or Windows 11. Windows 8.1 itself has also reached end of support, so upgrading your operating system is recommended.