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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: 4,324,880
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: 2,320,841
Free VPN

Free VPN
Free

Free VPN

Hide your IP address and encrypt Internet connection.

Free
User rating
Publisher: Jailbreak VPN Downloads: 134,035
PeerBlock

PeerBlock
Free

PeerBlock

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

Free
Editors' rating
User rating
Publisher: PeerBlock Downloads: 498,966
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: 7,976,772
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: 1,195,468
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: 494,603
HitmanPro 3 (64-bit)

HitmanPro 3 (64-bit)
Free to try

HitmanPro 3 (64-bit)

Rescue your computer from viruses and malware.

Free to try
Editors' rating
User rating
Publisher: Sophos Downloads: 777,416
adaware antivirus free

adaware antivirus free
Free

adaware antivirus free

Safeguard your computer from online threats.

Free
Editors' rating
User rating
Publisher: adaware Downloads: 391,592,508
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: 465,790
Results 21 - 30 of 6,365

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.