Windows
Windows 10 or later
1.1 GHz or faster processor
At least 4 GB RAM recommended
At least 4 GB available storage space
Display with at least 1280 × 768 resolution
Internet connection required for downloading, installation, and activation
Microsoft account may be required depending on the activation method
Mac
Supported macOS version
At least 4 GB RAM recommended
At least 10 GB available storage space recommended
Internet connection required for downloading, installation, and activation
Microsoft account required for certain Office editions and activation methods
Important: Available applications and compatibility may vary depending on the selected Office 2021 edition.