Installed and tested, no need crack or serial key, and update of Virus definition is done automatically.
Cheers!

Key Features:

Provides advanced, enterprise-wide virus protection and monitoring from a single management console
NEW! Expanded Threat Detection and Threat Categorization recognizes unwanted applications
such as spyware and adware
NEW! Threat Tracer identifies the source of blended threat attacks that spread via open file shares (e.g. Nimda)
NEW! Outbound email worm heuristics prevent client systems from spreading worms via email
NEW! Internet Email Attachment Scanning of incoming emails delivered through POP3 mail clients such as M’zoft