Antivirus software was originally developed to detect and remove computer viruses, hence the name. However, with the proliferation of other kinds of malware, antivirus software started to provide protection from other computer threats.
Nowadays, the growing number of ransomwares are causing more and more damage and destruction. It’s very important to install the antivirus software to protecting computer files. According to the AV-Comparatives, a professional testing antivirus report, the Bitdefender and kaspersky are the best choise.
Bitdefender
You can use the temp mail to sign up with the following link and enjoy the “Bitdefender Total Security” unlimitedly.
https://www.bitdefender.com/site/Facebook/redFreeDownload
kaspersky
Kaspersky Free is a good antivirus software, that can be used with Comodo Firewall to supply the missing “Active defense”.
https://www.kaspersky.com/downloads/thank-you/free-antivirus-download
If you use the Windows 10, the default Windows Defender is enough for personal use.