Ensure you have at least 5 GB of free hard drive space to download and extract the ISO file.

For email, calendar management, and contact syncing.

If downloading from third-party mirrors, always verify the SHA-1 or MD5 hash values of the downloaded ISO against official Microsoft documentation to ensure the file has not been altered or injected with malware. System Requirements

Office 2013 can technically run on Windows 11, but Microsoft does not officially support this configuration. Security vulnerabilities and compatibility issues may arise. For the best experience and security, upgrading to a supported version of Office is strongly recommended.