avast! antivirus Home Edition is available free of charge for non-commercial home use ONLY. You can find more detailed information about the product here. If you are not a home user or if you use your computer for business purposes, avast! Home Edition is not licensed for such use. Instead, we offer a wide range of more suitable products which provide higher data security for commercial use, starting with avast! Professional Edition.
avast! antivirus Home Edition is FREE to use but it is necessary to register before the end of the initial 60 day trial period. To register, click here. Following registration you will receive by E-mail a license key valid for a period of 1 year. After you have downloaded and installed the program, the license key must be inserted into it within 60 days. The registration process is very easy, and it will take you only a couple of minutes.
All the setup packages are in the form of self-extracting executables and are digitally signed by ALWIL Software.