avast! Professional Edition: antivirus & anti-spyware software for Windows

Complete virus protection for your desktop

avast! antivirus software represents complete virus protection, offering full desktop security including a resident shield with anti-spyware technology. It can be downloaded and used free of charge for a 60-day trial period. At the end of the trial period, a license key must be purchased to continue using the product, which will be then valid for a further 1, 2, or 3 years. Daily automatic updates ensure continous data protection against all types of malware and spyware.