Installation files

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You can try paid-for versions of avast! software for 30 days, free of charge. During this trial period, you have full access to all features and technical support. You may then buy the software license or uninstall the trial program - it's up to you.

Your browser is obsolete.

1. On 8 April 2014, Microsoft stops support for Internet Explorer browsers running on Windows XP. This will put your computer and data, such as credit card and online banking details, at greater risk to hackers and malware.

2. Several browser alternatives exist, but we at AVAST use and recommend Chrome, as we find it to be the most-secure option available.