Update process for Bf Bot Manager is manual. This means that when software notifies you with message that update is available, you need to uninstall current version of Bf Bot Manager, and then download and install new version of Bf Bot Manager.
Latest version of software can always be downloaded from following page:Download Page
So the process is next:
1. uninstall current version
of Bf Bot Manager by using "Control Panel->Add/Remove Programs"
2. download Bf Bot Manager
from our web site
3. unzip and install Bf Bot Manager
At Bf Bot Manager start up page you can always see which version is latest and when it was released. Also you can always check for update by clicking on menu item "Help->Check for update", and if you get message that new version is available then just follow 1-3 steps specified here.