Getting app sources
Before you get the sources of an existing nRF Connect for Desktop app, make sure you meet all the required prerequisites.
To get an existing app’s sources, clone the project to the ~/.nrfconnect-apps/local directory.
For example, if you want to work on the RSSI Viewer, run the following commands in a terminal on Linux or macOS, or in Git bash on Windows:
cd $HOME/.nrfconnect-apps/local
git clone https://github.com/NordicSemiconductor/pc-nrfconnect-rssi
Optionally, you can also create the project directory anywhere else and create a symbolic link
from ~/.nrfconnect-apps/local to the project directory.
Next steps
You now have everything set up for everyday app development.