Installing a Plugin from Disk
If you have a plugin file available on your computer, you can install it like this:
Open the Settings / Preferences dialog (e.g. N/A).
In the left-hand pane, select Plugins.
In the right-hand part, on the Plugins page, click Install plugin from disk.
In the dialog that opens, select the plugin archive file, and click OK.
In the Settings / Preferences dialog, click Apply or OK.
If suggested, restart AppCode.