Aug 04, 2014 Avast Free Antivirus for Mac is the free version of the popular AV program. The popularity stems from the reliable and trustworthy brand that Avast have created. Although virus and malware issues are not as prevalent on the Mac platform, there are still a few serious ones out there you will need protection from. Clicking the download button on Avast's own site redirects you to a Download.com page for Avast. This is extremely bad, as Download.com cannot be trusted. They wrap a lot of the software on their site in an adware installer, without the approval (or, often, knowledge) of the developer of the software in question.

Avast Free Antivirus for Mac is Avast's answer to concerns about how to browse safely. The application is packaged with a brand-new, easy-to-understand graphical user interface, with access to all features available at single click.

The application's onscreen tools are well-organized, and its live graphics enhance the feeling of safety -- you can see that the antivirus software doesn't sleep and is always working to protect you from any viruses circulating on the Web. Avast's free software provides three shields to protect your computer: a file system shield, an e-mail shield, and a Web shield. With all three representing a door to your computer, Avast does a great job of watching these entrances.

However, this comes at a cost, and we don't mean money: as soon as you launch the app, you'll notice a slight drop in your computer's performance, which is due to Avast being at work scanning your entire computer for infected files. Secondly, it affects your browser's performance, as it also scans the pages you attempt to navigate to for viruses through the extensions it installs in Safari, Firefox, and Chrome browsers. We did find its notification feature handy, as it informs the user about its actions, so you'll always know what the software is up to.

Overall, Avast Antivirus for Mac is a nice addition to your Mac toolbox. It's free and very easy to use.

What do you need to know about free software?

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To install Avast Security or Avast Premium Security (previously Avast Security Pro), follow the instructions below:

Before you begin the installation, ensure all other programs and internet browsers are closed, and any previous antivirus software is uninstalled.

Install Avast Security

Download the Avast Security for Mac setup file by clicking the button below. Download Avast Security for Mac
Double-click the downloaded setup file avast_security_online.dmg (by default, in your downloads folder).
Double-click Avast Security.
Click Continue to determine if Avast Security can be installed.
Click Continue.
Click Continue to confirm that you have read the Avast End User License Agreement.
Click Agree to confirm that you accept the terms.
Click Install. Alternatively, if you would like to make changes to the default setup, click Change Install Location... or Customize.
If prompted, use your Touch ID to grant permission for the installation, or click Use Password..., then enter your Administrator password and click Install Software.
Click Close.

If a System Extension Blocked notification appears, refer to the following article:

Avast Security is installed on your Mac. To start using Avast Security, click Continue With Free. If you have purchased a subscription for Avast Premium Security (previously Avast Security Pro), refer to the following article for detailed activation instructions:

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Apple Mac OS X 10.10.x (Yosemite)

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