Download the PoCo.app.yymmdd.zip(the package of the PoCo.app, yymmdd: year, month, day) via this page.

Drag and Drop the PoCo.app to /Application/ directory after extract from the PoCo.app.yymmdd.zip. Note that, Sorry, an Installer is not avaliable.

The PoCo.app open on the Finder.app.

Select PoCo > Quit PoCo menu, when you want to quit the PoCo.app.