Torrented "activation keys" and "keygens" are common vectors for ransomware, spyware, and trojans.
: The safest way to get software is by purchasing it directly from the developer or an authorized retailer.
Never run .exe or .bat files from torrents that claim to be "key generators" or "activators".
: Fritz 19 and previous versions are often available on Steam , providing a secure platform for installation and automatic updates.