Free avast antivirus software:

Avast! antivirus Home Edition gives you the best FREE antivirus protection currently available on the market. This edition is FREE OF CHARGE for non-commercial & home use only. Both of these conditions should be met! If you are not a home user or if you use your computer for business purposes, we offer a wide range of more suitable products providing higher data security, starting with avast! Professional Edition.

FREE avast! antivirus Home Edition include:

• ANTI-SPYWARE protection certified by the West Coast Labs Checkmark process
• ANTI-ROOTKIT detection based on the best-in class GMER technology
• No additional purchase is required

Features:

Simple to use and automated Daily automatic updates ensure continuous data protection against all types of malware and spyware. Simply install and forget. We've made avast! as simple to use as possible.

Tried and Trusted With over 80 million users of avast!, you can rest assured that you are using one of the most tried and trusted products in Windows security. We support more Windows versions (from Windows 95 to Vista 64bit) than any other anti-malware product. No matter what system you have, avast! has it covered.

Multilingual avast! Home Edition is offered in over 30 language versions.

To Download avast antivirus, click here

How to update your AVAST! software

Step 1.

Locate the "AVAST! Antivirus" icon on your Desktop.

After you've double clicked the desktop AVAST! icon, the AVAST! software loads up. You will see window featured on the right appear.

You will need to click the icon that says "Registration" - this icon has a small gold key next to it as can be seen in the screen shot on the right.

Step 2.

You now need to either obtain your own AVAST! license key or continue using the key below that we have already obtained on your behalf.

Step 3.

Enter (or copy & paste) the following (or your own) license key into the Registration box:

W2780288H5600A1106-164ZPUA9

The above license number expires 1st September 2009
After this date, please revisit this site for an updated license key

Step 4.

Click "Ok".

Your AVAST! software now has an updated license key. The software should automatically update when you are connected to the internet.