To reach this options page, select Araxis Merge > Preferences... > Application > Perforce
This preference page enables you to provide information needed by the Perforce File System Plugin.
Path to p4 executable
Set this to the full path of the p4 executable that you have installed on your system. e.g. /opt/local/bin/p4
Username and password information for Perforce servers can be configured in the Credentials page.