Modding NX since 2018
Run the file you just downloaded.
Run NXArr Updater by clicking the icon.
Start ProFTPD by going to the gallery and selecting the ProFTPD application.
The IP Address is displayed in the top left corner of the screen (here: 192.168.1.12).
Start NXArr on your computer by clicking the icon.
Start the update by filling in the IP Address and clicking the update button.
Wait for the update to finish. This can take a while.
Once updated is ended, restart your device.