DFU PROCESS IN SDK 13.0 in beacon

[SHUBHAM]

Hi, i am working on RTLS project. In beacons i want to enable DFU service using SDK 13.0. But I could'nt find a gothrough process to do the same. Please give me some link.

[SHUBHAM]

i also tried that but nothing is working

C:\Users\SHUBHAM SRIVASTAVA>E:\shubham\nordic_13.0\external\micro-ecc\nrf52_keil\armgcc make 'E:\shubham\nordic_13.0\external\micro-ecc\nrf52_keil\armgcc' is not recognized as an internal or external command, operable program or batch file.