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Security Software for Windows

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: 401,999,493
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: 145,783,294
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: 563,239,443
Panda Free Antivirus

Panda Free Antivirus
Free

Panda Free Antivirus

Keep your PC free from viruses and malware.

Free
Editors' rating
User rating
Publisher: Panda Security Downloads: 13,335,023
SmadAV 2017

SmadAV 2017
Free

SmadAV 2017

Protect your computer from viruses.

Free
Editors' rating
User rating
Publisher: SmadAv Downloads: 1,941,203
IObit Malware Fighter

IObit Malware Fighter
Free

IObit Malware Fighter

Scan and remove malware from your system.

Free
Editors' rating
User rating
Publisher: IObit Downloads: 22,138,924
Malware Hunter

Malware Hunter
Free to try

Malware Hunter

Detect and remove malware from PC.

Free to try
User rating
Publisher: Glarysoft Downloads: 121,275
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: 2,426,168
RoboForm

RoboForm
Free

RoboForm

Log in to Web sites and fill forms automatically.

Free
Editors' rating
User rating
Publisher: Siber Systems Downloads: 28,928,283
Kaspersky Anti-Virus 2017

Kaspersky Anti-Virus 2017
Free to try

Kaspersky Anti-Virus 2017

Protect your PC against viruses, spyware, Trojans, worms, rootkits, and bots.

Free to try
Editors' rating
User rating
Publisher: Kaspersky Lab Downloads: 6,187,453
Results 1 - 10 of 6,362

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.