Even legitimate activator tools are often flagged as or "Riskware" by antivirus software. The program's behavior of modifying system licensing files or simulating a KMS server is very similar to what actual malware does. Therefore, your antivirus software will almost certainly alert on any Winoffact file.

: A common tool that uses the Key Management Service (KMS) method to activate volume-licensed products. EZ-Activator & AutoKMS : Methods often found in the Microsoft Toolkit that provide automated activation for Office and Windows. Re-Loader Activator

Students, teachers, and university staff are frequently eligible to get Microsoft Office 365 for free or at a massive discount through their institution's academic licensing program.

Redeem retail keys directly through official portals like Microsoft Setup to link the product safely to your profile. 2. Enterprise KMS Deployment

That said, if you are looking for a of the product “Winoffact 20 Windows Office Activators All In One” as it is commonly described on piracy sites, here it is: