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Best Security & VPN for Windows (2026)

Our pick of the best security & vpn for Windows this year, ranked by real popularity and rating. Whether you want a free favorite like CCleaner, Avast Free Antivirus, Malwarebytes or something new, every app below is a safe, clean, free download. Click any to grab the latest version.

1
CCleaner
Piriform
Clean junk files, free up space and speed up your PC.
★★★★★★★★★★4.2Freemium
4.1M downloads
2
Avast Free Antivirus
Avast
Popular free antivirus with real-time protection and a Wi-Fi security scanner.
★★★★★★★★★★4.3Freemium
3.8M downloads
3
Malwarebytes
Malwarebytes
Detects and removes malware, ransomware and other threats.
★★★★★★★★★★4.5Freemium
3.3M downloads
4
AVG AntiVirus
AVG
Trusted free antivirus that blocks viruses, spyware and malicious links.
★★★★★★★★★★4.2Freemium
2.9M downloads
5
NordVPN
Nord Security
A fast, secure VPN with thousands of servers worldwide.
★★★★★★★★★★4.4Paid
1.9M downloads
6
ESET NOD32
ESET
Light, fast antivirus with a strong detection record and minimal system impact.
★★★★★★★★★★4.5Trial
1.5M downloads
7
Avira Free Security
Avira
Free antivirus bundled with a VPN, tune-up and password tools.
★★★★★★★★★★4.2Freemium
1.4M downloads
8
Kaspersky
Kaspersky
Award-winning protection against malware, ransomware and online threats.
★★★★★★★★★★4.4Trial
1.3M downloads
9
OpenVPN
OpenVPN Inc.
The industry-standard open-source VPN client for secure connections.
★★★★★★★★★★4.4Open source
1.3M downloads
10
Bitdefender
Bitdefender
Award-winning antivirus with multi-layer ransomware protection.
★★★★★★★★★★4.4Trial
1.2M downloads
11
McAfee
McAfee
All-in-one protection with antivirus, firewall, VPN and identity monitoring.
★★★★★★★★★★3.9Trial
1.2M downloads
12
Proton VPN
Proton
A secure VPN from the makers of Proton Mail, with a genuinely free tier.
★★★★★★★★★★4.5Freemium
1.1M downloads
13
AdGuard
AdGuard
System-wide ad and tracker blocking across all your browsers and apps.
★★★★★★★★★★4.4Trial
1.1M downloads
14
AdwCleaner
Malwarebytes
A free tool that wipes out adware, toolbars and browser hijackers.
★★★★★★★★★★4.5Free
1.1M downloads
15
O&O ShutUp10++
O&O Software
A free privacy tool to control Windows telemetry and settings.
★★★★★★★★★★4.6Free
1.1M downloads
16
Bitwarden
Bitwarden
An open-source password manager that is free, secure and syncs everywhere.
★★★★★★★★★★4.7Open source
980K downloads
17
WireGuard
WireGuard
A fast, modern and extremely simple VPN protocol and client.
★★★★★★★★★★4.6Open source
940K downloads
18
KeePassXC
KeePassXC Team
A modern, cross-platform password manager compatible with KeePass files.
★★★★★★★★★★4.7Open source
940K downloads
19
ZoneAlarm
Check Point
A classic two-way firewall with antivirus and identity protection.
★★★★★★★★★★4.0Freemium
890K downloads
20
KeePass
Dominik Reichl
A trusted offline password manager that keeps your vault in a local encrypted file.
★★★★★★★★★★4.4Open source
870K downloads

Browse the full Security & VPN catalog for more.