Microsoft Office is proprietary software. Downloading unauthorized compressed versions is software piracy, which could lead to fines or legal action depending on your country.

Less harmful but still annoying—many such downloads change your browser homepage, inject ads, or redirect your searches to shady sites.

Cybercriminals bundle Trojans, keyloggers, crypto-miners, or ransomware into these fake installers. Once you run the “setup.exe,” your system can be infected within seconds.

If you truly need a tiny installation for an old PC or USB drive, follow this legal, safe path:

This is 100% free, legal, virus-free, and works offline. It supports .docx, .xlsx, .pptx, and even older .doc formats.

If you find a legal DVD or digital key for Office 2016 Home & Business, the download size is standard (~2GB). You can install only the apps you need (e.g., Word + Excel only) via custom install to save some space.