ALWIL Software offers specialized security solutions designed for personal use on individual machines - either at home or in your office. These products combine high performance with exceptional ease of use and outstanding design. avast! antivirus has been awarded the highest "Advanced+" rating following tests carried out by AV-Comparatives.

avast! 4 Home Edition is a full-featured antivirus package designed exclusively for non-commercial & home use only. Both of these conditions should be met!
avast 4 Professional Edition is a collection of award winning, high-end technologies that work in perfect synergy, having one common goal: to protect your system and valuable data against computer viruses, spyware and rootkits. It represents a best-in-class solution for any Windows-based workstation. This page demonstrates its most important features and provides links to further resources.