Download and install [https://sourceforge.net/projects/winpython/files/WinPython_3.6/3.6.6.2/ WinPython]
Download the [https://raw.githubusercontent.com/traysi/ledger-app-rvn/master/bin/app.hex app.hex app file for Ravencoin].
Open plug in and unlock your Ledger, then open a terminal and say ```pip install ledgerblue```
Then navigate to the folder where you downloaded the app.hex file and do ```python3 -m ledgerblue.loadApp --appFlags 0x40 --apdu --tlv --targetId 0x31100003 --delete --fileName app.hex --appName "Ravencoin" --appVersion 1.3.2 --dataSize 0x00000000 --icon 0100000000ffffff00ffffffffffff1ffc0ff80fe107c0078003f003f807f81ffc3ffcfffcffffffff```