https://devzone.nordicsemi.com/f/nordic-q-a/9324/where-can-i-find-nrfjprog-exe-with-8-0-1sdkthere is no bin folder under C:\Program Files (x86)\Nordic Semiconductor\nrf51 as described in the docs. so I&#39;m not sure where the nrfjprog.exe should been-USTelligent Community 13Mon, 21 Sep 2015 20:01:08 GMThttps://devzone.nordicsemi.com/thread/34418?ContentTypeID=1Mon, 21 Sep 2015 20:01:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5bffe67a-61f4-43d1-92d8-7f190dd54e86Michael Dietz<p>nrfjprog.exe is part of nRF5x tools. These tools are automatically installed with nRFgo studio. You can also install these tools separately here: <a href="https://www.nordicsemi.com/eng/nordic/Products/nRF51822/nRF51-Tools/33444">www.nordicsemi.com/.../33444</a></p> <p>then open a command prompt and type: nrfjprog this should pop up a help window and you can follow these as a guideline. if a help window doesnt pop up it is not installed correctly. you may have to add the path to the binary to your systems environment variables.</p><div style="clear:both;"></div>