Avast free Antivirus gives your PC protection from viruses and malware. This popular antivirus has multiple layers of security protecting you in real-time. Avast Free Antivirus detects all types of threats and stops them before they harm your computer. Not only does Avast Free Antivirus protect your computer, it also secures your Wi-Fi network. Avast Free Antivirus has 4 main protection components:
1) File Shield
2) Behavior Shield
3) Web Shield
4) Mail Shield
All of these components provide solid protection at an affordable price.