This implies the software’s digital rights management (DRM) has been bypassed. To do this, you usually have to run an "activator" or "patcher," which requires administrative privileges—giving a potentially malicious program full control over your system.
If you need Microsoft Office but want to avoid the cost of a full retail license, there are several legitimate ways to get it: compatible with Office formats
These specific technical details make the download seem like a legitimate, localized installer. Why It’s Dangerous compatible with Office formats
Programs like LibreOffice or FreeOffice are completely free, compatible with Office formats, and carry none of the security risks of pirated software. compatible with Office formats
Many universities provide Office 365 for free to students and faculty.