Free Antivirus

Security and simplicity redefined

Free Download

Protect your investment without sacrificing performance

No obligation. No secret fees or hidden catches. Just simple, reliable,
free protection from the antivirus experts at Avira.

Keep your PC running malware-free.

Free download

Built upon the same award-winning technology found in our premium products, Avira Free Antivirus helps keep your PC malware-free while protecting your privacy.

Lightweight and powerful, Avira Free Antivirus offers Real-Time malware detection, privacy tools and safety ratings for your search results.

Advanced Real-Time Protection

Avira’s innovative detection

Website Safety Advisor

Clear safety ratings for your search results*


Blocks Adware programs and online snoops

Browser Tracking Blocker

Using the Search Free Toolbar prevents others from recording your online habits*

*This feature is included in the Avira Search Free Toolbar

A selection of awards from independent testing labs.

Avira Free Antivirus was awarded AV Comparative’s Advanced+ distinction in recognition of the excellence of its system scanner.

PC Magazine Award Icon

Don’t take our word for it, hear what the reviewers have to say about Avira Free Antivirus.

PC Magazine Award Icon

4.5/5 out of 10 reviews

4.5/ 5

"Top pick for best free antivirus program, full real-time capabilities, behavioral blocking features, sandboxing, low rate of false positives."

5/ 5

"Avira Free is an excellent Antivirus packet, which is a free download for private users, is capable of detecting and eliminating over 200,000 viruses."

Before you install Avira Free Antivirus, please verify that your
system meets these minimum specifications:

Operating Systems:

Windows 8 (32-bit or 64-bit)
Windows 7 (32-bit or 64-bit)
Windows XP SP3 (32-bit)
Windows XP SP2 (64-bit)


Pentium or later 1GHz minimum


Min. 1024 MB RAM (Windows 7)
Min. 512 MB RAM (Windows XP)

Hard Disk:

150 MB available disk space (additional temporary and quarantine space needed)


Administrator rights, an Internet connection and a web browser are required during installation.

Antivirus as innovative as the machines it protects

Free download

Built upon the same award-winning technology found in our premium products, Avira Free Mac Security keeps your hardworking machines safe with a minimum effort.

Avira Free Mac Security installs in minutes and offers users real-time malware protection, profile-based system scanner, one-click virus removal and an intuitive interface.

Real-Time Scanner

Analyzes any file the system accesses

Event Center

Monitor, manage and control the entire platform

System Scanner

Configurable, on-demand search for known viruses and malware

Quarantine Management

Manage suspicious files that have been quarantined for your safety.

Integrated Scheduler

Automate recurring tasks like updates or scans

One click repair

Monitors the security status of your Mac and removes risks with just one mouse-click

A selection of awards from independent testing labs.

In a test specifically targeting viruses for Mac, AV Comparatives found that Avira Free Mac Security detected an outstanding 100% of all malware. The testers also highlighted the "clear, easy-to-use interface." – AV Comparatives

PC Magazine Award Icon

Avira Free Mac Security is the recipient of the eco Internet award 2012, presented by the Association of the German Internet Industry. This prize recognizes technical innovation in service to the public.
– ECO Internet Award

Before you download our free Mac antivirus, please verify that your
system meets these minimum specifications:

Operating Systems:

Mac OSX 10.8 (Mountain Lion)
Mac OSX 10.9 (Mavericks)


64-bit Intel Core 2 Duo



Disk Space:

200 MB available disk space


Mac antivirus product and detection updates require an Internet connection.

Protect your Android, your content and your privacy with Avira’s proven antivirus technology.

Free download

Avira Free Android security features malware protection, antitheft, call blacklisting, online device administration and services for lost, stolen or missing devices. Get protection now.

New Antivirus for Android

Protection from malicious apps, data theft & fraudulent fees

Remote Lock

Shield personal information on a lost device

Blacklist Numbers

Place unwanted numbers on a blacklist

Location Tracking

Locate your device and pinpoint it’s location on a Google map

Remote Wipe

Delete all contacts, messages, apps, photos, login credentials and settings

Online Device Administration

Manage up to 5 devices remotely

Remote Scream

Trigger an alert on the missing device, even in silent mode

Owner Notification

Whoever finds your locked device can contact you by tapping a button on the touchscreen

Don’t take our word for it, hear what the reviewers have to say about Avira Android Security

Many applications are available that claim to protect a device, but few excel like Avira Free Android Security… This app is highly recommended for the security-conscious user.
— Editor’s Review, CNET


1. Get the app

Go to Google Play to download and install Avira Free Android Security on your device. Launch the app to get started.

2. Set up your account

Register your device with Avira Free Android Security. This step activates all the remote management and security goodness for your Android devices. You can manage up to five devices on the same account.

3. Manage your devices

Remotely access your devices from the Web Console. You're now connected to your devices at all times! Block numbers, lock a device, track its location, wipe data, check battery life and more- from any web browser.

Operating Systems:

Android 2.2 (Froyo)
Android 2.3.7 (Gingerbread)
Android 4.0 (Ice Cream Sandwich)
Android 4.1 (Jelly Bean)
Android 4.2 (Jelly Bean)
Android 4.3 (Jelly Bean)

Supported Devices

Avira Free Android Security is supported on HTC, LG, Motorola, Samsung and Sony smartphones and tablets with normal, large and extra large screens.

To see if Avira Free Android Security is compatible with your phone or tablet,
log in to Google Play.

iOS mobile security

Scan apps, optimize battery and storage or locate a lost device.

Avira Free Mobile Security includes a malicious process scanner, utilities to help find a missing device as well as battery and storage optimization tools. What’s more, Avira Mobile Security integrates perfectly into Avira Secure Backup, so you can safety store, access and share your media while on the go.

Free download

App Scanner

Scans running application processes to look for malicious processes

Storage Optimizer

Summary and tools to help conserve storage

Secure Backup

Integrated with Avira Secure Backup online storage platform

On-demand scanner

Scan running processes whenever you want

Battery Optimizer

Summary and tools to help preserve battery life

System Checker

Verifies operating system and checks if device is jailbroken

Location tracking

Locate a lost device or trigger a remote scream

User reviews from the Apple App Store.

“They just made security look good”
- Samansb

“This is a must-have app...”
- Halibibik

“Very clean and simple-to-use interface. The scan is quick and searches for potential malware, and the scream/locate phone functionality is great.”
- Tonestar Runner

1. Get the app

Simply click the download button to get Avira Mobile Security from the Apple App Store.

2. Set up account

Create a profile or login using your Avira credentials.

3. Get online storage

Download Avira Secure Backup and use it to share, save and access files from your iPhone, iPod touch or iPad.

Before downloading and installing Avira Mobile Security,
please ensure your device meets the following specifications.

Operating Systems:

Requires iOS 6.0 or later.

Supported Devices

iPhone, iPad and iPod touch.


This app is optimized
for iPhone 5.