: There are many highly-rated, completely free antivirus programs available, such as Bitdefender Antivirus Free , Avast , or AVG .

: Files labeled as "cracks" often contain Trojans, ransomware, or spyware . Since you usually have to disable your existing antivirus to install them, the malware can infect your system completely undetected.

: These downloads frequently include "backdoors" that allow hackers to remotely access your computer, steal personal data, or use your machine in a botnet.

: The official 360 Total Security website offers a robust free version that provides essential protection without the need for illegal keys.