To do this you need to install PolyBrute Connect.In there you can most easily manage your presets.
First of all:- this requires to be a registered user at https://www.arturia.com/At sounds on the Arturia page set the "Instrument" filter to PolyBrute- https://www.arturia.com/soundsNow follow these instructions- https://support.arturia.com/hc/en-us/articles/4409624180882-How-to-install-my-sound-banks--- Select PolyBruteMy personal tip:- In my case my system needs a complete restart to "see" the banks in Connect. Maybe some security settings of Windows 10.