Free cyber security for home: All-in-one antivirus, VPN & more
Avira is a pioneer of free online security.
With one click, Avira Free Security protects your PC, privacy, passwords, and online identity.
- Blocks spyware, ransomware, and phishing attacks
- Secures and anonymizes your web browsing
- Boosts your PC's performance and cleans junk files
Take our product tour
Click the icons on the left and center to learn more about Avira Free Security's features and benefits
You are protected
Last update: 10 minutes ago
Click on the blue ⓘ above and smart scan below for more details
Full virus scan
Scan your entire device for threats
Create, run, and schedule scans to protect your entire system from viruses, malware, and other common threats.
See your security status and set up your Antivirus
If you have special requirements, you can choose to customize and tweak all security features to your liking.
Repair or delete unsafe files
We automatically quarantine high-risk files to prevent them from causing harm. Don’t worry—you’ll still have the option to view and restore quarantined files.
Fix security risks in your apps
Update outdated and vulnerable apps easily with one click. You’ll never need to manually update an app again (thank goodness).
Block hackers and other threats
Block open ports through which hackers and malware might have been able to exploit.
Avoid tracking and block ads on Chrome and Firefox
Our browser enhancements protect you from phishing attempts, harmful websites, unwanted software downloads, and annoying ads. They also block hidden trackers that collect information about your search and browsing history.
Connect to the Internet anonymously
Encrypt your communications, surf anonymously, and bypass web restrictions to gain access to all the online content you love—on every device.
Manage passwords safely and easily
Use our onboard Password Manager to keep track of all your passwords. Generate and securely store unhackable passwords. Sync them across all your devices for access anytime, anywhere. You can even enable automatic logins to your favorite websites.
Erase sensitive data securely
Delete files for good, so that nobody can ever restore them.
Prevent Windows and apps from sharing your data
Stop Windows and other programs from collecting data about you and solve over 200 other privacy issues with a single click.
Free up space on your device
Need more space for all those photos? Give yourself the gift of more storage with just a single click to delete junk files, traces of your online activities, and invalid registry entries.
Start your device faster
Sick of having a slow device? Use this handy feature to monitor the programs that start on boot and remove the ones you don’t need.
Get a long-lasting battery
Feeling drained? Use our convenient tool to optimize and prolong your battery life.
Make your connected devices run smoothly
Is your system slow or troublesome? Outdated device drivers could be the reason. With this handy feature, you can automatically update drivers to their latest and recommended versions.
Get rid of double files
Are you running out of space (again)? Find duplicate photos and files and instantly remove them to free up space.
All-in-one security, privacy and performance
Avira Free Securitty includes everything you need to establish a secure and private home environment. From blocking threats to securing your communications and speeding up your devices, it's a comprehensive solution - powered by a single smart scan.
Protection from financial loss
Free Security safeguards you, your data, and devices from all types of threats, including ransomware, fake and infected websites, and phishing attacks.
So you can bank, shop, game, browse with complete confidence.
Protection from identity theft
Surveillance has become a part of everyday life so it’s time to take back control of your data. Every trace you leave online, what you buy, where you are, what you search for, which passwords you use—you’re being tracked by third parties.
Avira keeps it private and for your eyes only.
Peak device performance
A fast performance is a must in enabling you to get your work - and play - done efficienctly. That’s why Avira Free Security comes with built-in performance optimizers that speed up slow devices and get rid of junk that hold you back.
The result? A clean, fast device with more space for all the things you love.