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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.
Wise Folder Hider

Wise Folder Hider
Free

Wise Folder Hider

Hide private files, photos, videos and other personal data from your PC.

Free
Editors' rating
User rating
Publisher: WiseCleaner Downloads: 513,734
Free VPN

Free VPN
Free

Free VPN

Hide your IP address and encrypt Internet connection.

Free
User rating
Publisher: Jailbreak VPN Downloads: 120,281
SuperAntiSpyware Free Edition

SuperAntiSpyware Free Edition
Free

SuperAntiSpyware Free Edition

Detect and remove spyware, malware, rootkits, trojans, hijackers, and other malicious threats.

Free
Editors' rating
User rating
Publisher: SUPERAntiSpyware Downloads: 6,636,903
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: 2,307,933
CyberGhost VPN 6

CyberGhost VPN 6
Free

CyberGhost VPN 6

One-Click Solution for Your Digital Needs. Discover the worlds' most complete VPN.

Free
Editors' rating
User rating
Publisher: CyberGhost Downloads: 1,184,376
PeerBlock

PeerBlock
Free

PeerBlock

Block all communications with selected IP and IP ranges with ease.

Free
Editors' rating
User rating
Publisher: PeerBlock Downloads: 487,226
ESET NOD32 Antivirus

ESET NOD32 Antivirus
Free to try

ESET NOD32 Antivirus

Protect your system and files from virus and spyware.

Free to try
Editors' rating
User rating
Publisher: ESET Downloads: 7,965,500
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: 865,762 External File

This software is available to download from the publisher site.

ESET NOD32 Antivirus (64-bit)

ESET NOD32 Antivirus (64-bit)
Free to try

ESET NOD32 Antivirus (64-bit)

Protect your system and files from virus and spyware.

Free to try
Editors' rating
User rating
Publisher: ESET Downloads: 483,959
adaware antivirus free

adaware antivirus free
Free

adaware antivirus free

Safeguard your computer from online threats.

Free
Editors' rating
User rating
Publisher: adaware Downloads: 391,583,865
Results 21 - 30 of 6,338

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.