Do you want Free DownloadBeta .DAT File Updates
VirusScan Version 4.x (or higher) Beta Updates
|avvwin_netware_betadat.zip||09/18/2011 04:21 PT||Version 5+ Beta DAT files - For use with the 5000 series scan engine and VirusScan Enterprise 8.5i|
|avvwin_xdatbeta.exe||09/18/2011 04:21 PT||SuperDAT, installer, package of Version 5+ Beta Dats - For use with the 5000 series scan engine and VirusScan Enterprise 8.5i|
|avvunix_betadat.tar||09/18/2011 04:21 PT||Version 5+ Beta DAT files - For use with the 5000 series scan engine on Unix/Linux operating systems|
NOTE - These DATs will identify themselves as being DAT version 5000 to distinguish that they are NOT QA release and have been minimally tested only.
Virus definition, or .DAT, files contain up-to-date Virus signatures and other information that McAfee anti-virus products use to protect your computer against virus attacks.
McAfee Labs now provides Beta pre-release, beta, or test versions of these .DAT files for use in emergency situations, to combat a virus or malicious code outbreak, or to provide a first-level quick response to virus attacks.
McAfee Labs researchers use these files in their own work to ensure that they have the absolute latest detection and removal capabilities for McAfee anti-virus software. Should you discover any defect or difficulty with these files, please use the information that appears at the bottom of this page to notify McAfee Labs. The message will be reviewed and noted.Conclusion:
I am leaving totally up to you to select which one is the best antivirus for you. All the above antivirus software are totally free and you can download as per your requirement and your system configurations .