MMC 3.0 and .Net Framework 2.0 are required.
To install the Galileo MMC for Command Anti-Malware:
Download the setup file from here. Save it to your server and run the file. This version has the snap-in integrated within Galileo.
Once Galileo is installed, create a shared folder, grant Everyone Full Control permission, and configure Galileo.
If you are in a Windows Domain you will need to set the Auth-Galileo user's password to never expire in active directory.
See Configuring Galileo for Command Anti-Malware for step by step instructions.
Note: Galileo is now compatible with 64 bit systems.
More information about the latest version of Galileo in the links below:
New Galileo 5.1.5 and 64 bit compatibility
Pushing to XP and 2003 x64
Upgrade from Galileo 5.1.0 to 5.1.5