« I thought I was on the official MS website... I spoke with someone with an Indian accent, gave him access to the computer, and then he showed me a screen of how '124 Trojan horses' had infected my IP address... it was a COMPLETE FRAUD. » Microsoft Learn
Websites using this specific French phrasing ("téléchargement gratuit," "entrez dans le pc") often use to trick you into downloading harmful files or calling fake tech support. « I thought I was on the official MS website
The phrase you provided is a classic example of a targeting users looking for "free" versions of paid software. Microsoft Office Home & Student 2019 was never released as a free download; it is a paid, one-time purchase product. Why This is a Scam gave him access to the computer