Registration Upgrade to increase protection

Register your free product

avast! Home works for 60 days after installation in trial mode
After 60 days you need to register to get your free license key and stay protected
Your free license key is sent within 24 hours by e-mail after registration
If the license does not come in 24 hours please check your junk or SPAM folder
You need to enter the license key in the program to continue to use it after the 60-day trial period

For existing users

My registration key has expired, I need a new one Lost my license

Special upgrade offer to increase your protection

You current avast! Home Edition offers solid antivirus protection but you can have even more protection by upgrading to avast! Professional Edition.

Safer web surfing
Intelligent scanning
Faster updates

Learn more about upgrade

Registration form

Registration language

Check the box and win a trip to Prague!

By checking the box, you agree to participate in the great 100,000,000^th user celebration and confirm that you agree with the Terms and Conditions and that you have read and understood them.

Read Terms and Conditions.

For more details about this celebration, please visit the 100,000,000 users information page.

E-mail address for license key delivery

Your e-mail address must be entered properly and must be valid as the license key of avast! will be sent to this address. Please, re-check the entered e-mail address before submitting the form.

E-mail * Re-type e-mail *

User details

Title

Name *

Where the product is installed and used? * At home In business environment

Country

Age

Computer ability:

Please let us know

Why did you choose avast?

Did you already have antivirus or internet security software on this computer?

Security check

Please re-type the letters to the box *:

* All starred fields are required

Upgrade to Professional Edition to increase your protection!

With avast! Professional Edition you get the following additional benefits compared to your avast! Home Edition:

Your current basic protection

Upgraded protection

Safer web surfing

Immediate real time protection from malicious websites via script blocker technology

Intelligent scanning

Suspicious files can be dealt automatically without needing your attention

Faster updates

You are always protected against the latest threats via PUSH update technology

Technical support

Direct access to our technical support

$39.95Upgrade for 1-year 
$79.00 $57.00 Upgrade for 2-years (27% off)
$119.85 $74.13 Upgrade for 3-years (38% off)