: In Windows, you can mount the file by double-clicking it, which creates a virtual drive in File Explorer. From there, run setup.exe or Setup64.exe to begin the installation.

Because security updates have ceased, it is recommended by Microsoft Support to consider upgrading to a supported version like Microsoft 365 or Office 2021/2024 to protect against potential vulnerabilities.

: For users with limited internet access, Microsoft provides instructions for using an offline installer via the ISO file.

Использование автономного установщика Office - Microsoft Support

: You can activate the software using a product key at the Microsoft Office Setup page. Once linked to your Microsoft account, you can manage or reinstall the software directly from your account dashboard.