The Upgrade Anti-Virus button will only be available if one or more computers have an outdated version of Anti-Virus installed, and the computers with the outdated Anti-Virus are online.

Outdated versions will display the outdated version in orange text under the Installation Status column.

To upgrade the Anti-Virus, select the computer(s) from the grid and click Upgrade.

Alternatively, you can upgrade the Anti-Virus through the Action Toolbar for Computers.