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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.
Kaspersky Internet Security 2017

Kaspersky Internet Security 2017
Free to try

Kaspersky Internet Security 2017

Keep your PC protected from Internet threats.

Free to try
Editors' rating
User rating
Publisher: Kaspersky Lab Downloads: 4,265,404
Microsoft Security Essentials

Microsoft Security Essentials
Free

Microsoft Security Essentials

Protect your computer with Microsoft's latest security software.

Free
Editors' rating
User rating
Publisher: Microsoft Downloads: 3,664,305
Folder Lock

Folder Lock
Free to try

Folder Lock

Lock, hide, encrypt, back up, and password-protect your files, folders, and drives.

Free to try
Editors' rating
User rating
Publisher: NewSoftwares Downloads: 3,705,271
Hotspot Shield Elite

Hotspot Shield Elite
Free to try

Hotspot Shield Elite

Secure your connection to public Wi-Fi networks with premium VPN tool.

Free to try
Editors' rating
User rating
Publisher: AnchorFree Downloads: 2,575,696
CyberGhost VPN

CyberGhost VPN
Free

CyberGhost VPN

Surf the Internet freely, securely, and anonymously with trusted VPN service.

Free
User rating
Publisher: CyberGhost Downloads: 1,146,949
Avast Internet Security

Avast Internet Security
Free to try

Avast Internet Security

Protect your home network and secure online transactions from hackers.

Free to try
User rating
Publisher: AVAST Software Downloads: 2,785,442
Avast Pro Antivirus

Avast Pro Antivirus
Free to try

Avast Pro Antivirus

Stay safe from suspicious files and redirects, with minimal impact on your PC.

Free to try
User rating
Publisher: AVAST Software Downloads: 9,445,263
Microsoft Windows Defender

Microsoft Windows Defender
Free

Microsoft Windows Defender

Protect your PC against spyware and malware.

Free
User rating
Publisher: Microsoft Downloads: 804,092
360 Total Security 2016

360 Total Security 2016
Free

360 Total Security 2016

Protect PC against viruses and malware and optimize system performance.

Free
User rating
Publisher: Qihoo 360 Technology Downloads: 922,946
USB Disk Security

USB Disk Security
Free

USB Disk Security

Prevent known and unknown threats from USB storage.

Free
Editors' rating
User rating
Publisher: Zbshareware Lab Downloads: 2,275,098
Results 21 - 30 of 6,826

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.