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Security Software

The Security Software category is your source for antivirus, anti-spyware, and encryption apps. Download.com's... more
The Security Software category is your source for antivirus, anti-spyware, and encryption apps. Download.com's extensive collection of security software is designed to safeguard your online activity.
Avast Free Antivirus

Avast Free Antivirus
Free

Avast Free Antivirus

Stay safe from viruses, malware, spyware, and hackers.

Free
Editors' rating
User rating
Publisher: Avast Software Downloads: 397,657,040
Malwarebytes

Malwarebytes
Free to try

Malwarebytes

Detect and quickly remove malicious threats to your computer.

Free to try
Editors' rating
User rating
Publisher: Malwarebytes Downloads: 144,443,996
AVG AntiVirus Free

AVG AntiVirus Free
Free

AVG AntiVirus Free

Protect your computer from viruses and malicious programs.

Free
Editors' rating
User rating
Publisher: AVG Technologies Downloads: 562,585,807
Panda Free Antivirus

Panda Free Antivirus
Free

Panda Free Antivirus

Keep your PC free from viruses and malware.

Free
User rating
Publisher: Panda Security Downloads: 12,805,850
RoboForm

RoboForm
Free

RoboForm

Log in to Web sites and fill forms automatically.

Free
Editors' rating
User rating
Publisher: Siber Systems Downloads: 28,765,093
Advanced SystemCare Ultimate

Advanced SystemCare Ultimate
Free to try

Advanced SystemCare Ultimate

Protect your computers from viruses and speed up overall system performance.

Free to try
User rating
Publisher: IObit Downloads: 2,206,908
IObit Malware Fighter

IObit Malware Fighter
Free

IObit Malware Fighter

Scan and remove malware from your system.

Free
User rating
Publisher: IObit Downloads: 21,597,649
SmadAV 2016

SmadAV 2016
Free

SmadAV 2016

Protect your computer from viruses.

Free
Editors' rating
User rating
Publisher: SmadAv Downloads: 1,684,131
Avast Free Mac Security 2016

Avast Free Mac Security 2016
Free

Avast Free Mac Security 2016

Protect your PC against the latest viruses and spyware.

Free
Editors' rating
User rating
Publisher: Avast Software Downloads: 5,226,149
AVG AntiVirus for Mac

AVG AntiVirus for Mac
Free

AVG AntiVirus for Mac

Protect all that's important on your Mac.

Free
Editors' rating
User rating
Publisher: AVG Technologies Downloads: 1,341,552
Results 1 - 10 of 7,636

About Security Software

The Security Software category is your source for antivirus, anti-spyware, and encryption apps. Download.com's extensive collection of security software is designed to safeguard your online activity.