Avoid eBay and Craigslist. Use reputable sites like:
: Files labeled with "Activator [TechTools.NET]" may contain malicious code disguised as legitimate setup files (e.g., setup64.exe ). techtoolsnet microsoft office 2016 link
TechToolsNet typically does not sell "Retail" or "OEM" licenses. Instead, they usually sell or Education Keys . Avoid eBay and Craigslist