LibreOffice or Apache OpenOffice offer high compatibility with Microsoft Office file formats.

Downloading and running "activator" executables (often packed in .rar or .zip archives) from file-sharing sites carries significant risks:

Office 2013 reached its end of support on April 11, 2023. Using an activator on an unsupported, unpatched office suite significantly increases your vulnerability to exploits. 4. Better Alternatives

The use of activators like KMSmicro to circumvent software activation is a clear violation of software licensing agreements. It deprives software developers of their rightful earnings, which are crucial for further development and support. Users are encouraged to purchase software legally to support developers and avoid potential legal issues.