Avast 4 Professional Edition

Avast 4 Professional Edition All-inclusive and comprehensive protection avast! antivirus Home Edition includes ANTI-SPYWARE protection, certified by the West Coast Labs Checkmark process, and ANTI-ROOTKIT DETECTION based on the best-in class GMER technology. No additional purchase is required. Simple to use and automated Just install and go. Automatic incremental updates means that avast! antivirus keeps itself up to date to provide continuous protection of your computer. We've made avast! as simple to use as possible. Tried and Trusted With over 50 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 64 Bit) than any other anti-malware product. No matter what system you have, avast! has it covered.