You have dead links everywhere and no obvious location for the gcc command line tools. Where is this?
Here are dead links:
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrf5x_cltools%2FUG%2Fcltools%2Fnrf5x_installation.html link on this page to installer is dead.
No where to be found on this page https://www.nordicsemi.com/Software-and-Tools/Development-Tools
Why?
No useful links on this page https://www.nordicsemi.com/Software-and-Tools/Development-Tools/IDEs-and-Toolchains
What is you explanation for this? I find this to be completely unacceptable.