ARCADE is its own plugin (Audio Unit, VST, VST3, AAX). You can access it directly from within your DAW's 'instruments' plugins. For detailed instructions, check out this guide: http://output.freshdesk.com/support/solutions/articles/1000273645-subscribing-installing-and-loading
If you still can't find ARCADE, please try re-scanning your plugins inside your DAW and see if you can locate ARCADE.
The team is working on this however and you can see a full list of features that are still missing from FL Studio for Mac vs Windows here. Adding Plugins To FL Studio For Mac. Plugins are one of the things that make FL Studio so great and one of the biggest concerns of Mac users is how well it works with them.
From the simple 3x OSC instrument to the powerful synth monster named Harmor, FL Studio doesn't lack synth options when it comes time to create fresh new sounds. In this 19-tutorial course, sound designer Rishabh Rajan shares the synthesis knowledge YOU need for creating your own sounds for your music productions. This applies to Focusrite USB products. Step 1: Once you have installed the driver go to your computer's Control Panel Sound option. In the 'Playback' and 'Recording' tabs, make sure the Focusrite/Scarlett option is selected here as the default device. If it isn't already, right click and select 'Set as Default Device'.
Open Studio One > Preferences > Locations > VST Plug-Ins tab, and add the following location paths:
ARCADE doesn't support 32-bit systems on MacOS + PC, and it's likely the reason that you can't see ARCADE in Live 9.
Please try scanning your plugins and also make sure you're running a 64-bit version of Ableton Live, which may require an update. To determine if you're running a 64-bit application you can use the following steps:
If your copy of Live 9 is not 64-bit then that is the reason you can't see it in your DAW.