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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.
Microsoft Security Essentials (64-bit)

Microsoft Security Essentials (64-bit)
Free

Microsoft Security Essentials (64-bit)

Protect your computer with Microsoft's latest security software.

Free
Editors' rating
User rating
Publisher: Microsoft Downloads: 713,899
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: 952,080
RKill

RKill
Free

RKill

Kill running malware processes that stop the use of normal anti-malware applications.

Free
Editors' rating
User rating
Publisher: Bleeping Computer Downloads: 849,861 External File

This software is available to download from the publisher site.

OkayFreedom VPN

OkayFreedom VPN
Free to try

OkayFreedom VPN

Surf the Web anonymously and securely.

Free to try
User rating
Publisher: Steganos Software Downloads: 445,896
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: 3,717,937
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: 2,585,682
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: 3,718,999
McAfee AntiVirus Plus

McAfee AntiVirus Plus
Free to try

McAfee AntiVirus Plus

Remove spyware or virus threats and prevent malicious applications from invading your PC.

Free to try
User rating
Publisher: McAfee Downloads: 7,597,672
MD5 & SHA Checksum Utility

MD5 & SHA Checksum Utility
Free

MD5 & SHA Checksum Utility

Generate and verify MD5, SHA-1, SHA-256 & SHA-512 hashes of a file.

Free
Editors' rating
User rating
Publisher: Raymond's Personal Software Downloads: 445,791
Best Free Keylogger

Best Free Keylogger
Free

Best Free Keylogger

Monitor user activity on your PC.

Free
User rating
Publisher: bestXsoftware Downloads: 58,777
Results 31 - 40 of 6,391

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.