Unfortunately this is still a 32-bit only app, meaning it won't work for the majority of Mac users who will upgrade in the coming days.EyeTV 4 (64 bit macOS) does not start or has other troubles - security & privacy settings.While 64-bit does not add 'power', 'speed', or 'features', it does allow the ability access much more RAM, and therefore a 64-bit program and operating system would have the ability to run more memory-intensive programs that depend on things such as samples, patches, and RAM.eyetv micro eyetv mobile eyetv w eyetv netstream 4C eyetv netstream 4Sat (Aktualisiert) eyetv T2 lite eyetv T2 lite Windows Edition eyetv T2 hybrid eyetv 4 (64-bit) macOS eyetv 4 windows eyetv 3 (32-bit) Total TV Player eyetv App. Apple Final Cut Pro & Logic Pro X, Adobe Photoshop, Microsoft Office, Pixel Film Studios, Torrent Mac Using the command line option as described below will overcome this. If you use drag-and-drop in Finder to install the updates, it will actually perform a folder copy and not a folder merge so that updated files will be overwritten but unchanged old files will be deleted (see this thread).