Seek out the original ISO image from reputable sources if you have a license.

Access them directly through any web browser via a free Microsoft account.

: A prominent method of checking suspicious files is using the online scanner VirusTotal, which compares a file against dozens of anti-virus engines. An analysis of a file named " microsoft-office-2010.exe ", which is a common name for these fake installers, showed that 32 out of 56 anti-virus programs detected it as a threat . This is an extremely high detection rate, confirming the file is malicious.

a widely circulated internet file that claims to pack the entire Microsoft Office suite into a tiny 10MB archive

No legitimate compression technology can shrink a full office suite from 800 MB to 10 MB without obliterating its core functionality. The laws of computer science simply do not allow it.

: A common alternative that provides a guide for transitioning from older Office versions. Install Office 2010 - Microsoft Support

The search for is a digital wild goose chase. It plays on our desire for convenience and nostalgia, but the mathematics of data compression, combined with the laws of security, make it a dangerous myth.

LibreOffice is the most powerful free desktop alternative to Microsoft Office.

Microsoft Office 2010 Highly Compressed 10MB: Risks, Realities, and Better Alternatives