Thank you for your purchase of Authentium's Command AntiVirus world-class malware defense for your Windows PC. You were asked to select a username and password during your initial product registration, please have that information available as you will need it to download and install the software.

CLIENT VERSION
Please select your operating system below:

You will be prompted to enter your username and password upon clicking one of the download links above. If you have not yet registered for a username/password, please click here.

* Legacy versions of CSAV for Windows NT/95/98 will receive full virus definition updates; however, technical support for these versions has been discontinued and no substantive enhancements to the core software will be made. All other versions include full support availability and core engine updates for the term of the contract.

ENTERPRISE VERSION - "GALILEO" (Centrally Managed)