Step 1 Step 2 When the download is complete, double-click the.DMG file you just downloaded. Avast for mac sierrs os x. Step 3 Once it is opened, you will have this window pop up. Drag the avast!

• Delete Avast Antivirus

Nowadays when you install a security suite, no matter if it is free or paid, it is likely that at least one browser extension is added by it during installation to popular web browsers such as Firefox, Internet Explorer or Google Chrome. When you install the most recent version of, the company's avast! Online Security extension will be added to the browser (it is also added if you install a paid version).

Delete Avast Antivirus

It has been designed to add protection to browsers specifically, and will warn you about phishing and malware sites while you are using the browser. The extension has in the past for Firefox users, slow downs for instance or lag experienced while using the web browser. While it is possible to disable the extension in Firefox's Add-ons Manager, there is no option to remove it completely from the browser. The extension won't be loaded if you hit the disable button, and while you should see improvements right away, you may want to remove the extension completely from the Firefox web browser if you do not plan on using it ever again.