I'm sorry if I offended you it really wasn't my intention. I can admit I have limited knowledge when it comes to writing code and even understanding it but I attempted it anyway because it looked like 3 basic steps.
Heres my final attempt after this I guess I'll leave it to the professionals.
My attempt :
1.Download VMware Workstation 15 (
https://www.vmware.com/products/workstation-player/workstation-player-evaluation.html) and Ubuntu 18.04 LTS (from the link)
2.Create new Virtual machine with 60GB storage , 2 cores and 8GB ram
3.Wait for the Ubuntu setup to finish
4.Press CTRL+ALT+T to open a terminal then install curl (sudo apt install curl)
5.Then Step 1 install amcfwm (mkdir -p "$HOME/amcfwm" && curl -s "
https://raw.githubusercontent.com/Adamm00/am_cfwm/master/amcfwm.sh" -o "$HOME/amcfwm/amcfwm.sh" && chmod 755 "$HOME/amcfwm/amcfwm.sh")
6.Then Step 2 setup the VM (sh $HOME/amcfwm/amcfwm.sh install)
7.Generate public key (Press enter once :Created directory ('/home/claus/.ssh') .
No passphrase and second enter to confirm no passphrase
Gives me my SSH pubkey and ask me to enter
8.Opens a GNU nano 2.9.3 /home/claus/.ssh/authorized_keys window that doesnt look like its doing anything so I close the window
9.Then Step 3 setup Setup Firmware/Toolchain Git Repo (sh $HOME/amcfwm/amcfwm.sh repo)
10. Open the menu with amcfwm and select option 4 then option 22 (I wanna try and build AX88U firmware) then enter and select option 1 to start building
10.1 Get error codes :
--- 07:52 - Global cleanup...
--- 07:52 - Preparing trees
*** 07:52 - Cleaning up rt-ax88u...
*** 07:52 - Updating rt-ax88u tree...
*** 07:54 - rt-ax88u code ready.
--- 07:54 - All trees ready!
--- 07:54 - Launching all builds
*** 07:54 - Starting building rt-ax88u...
--- 07:54 - All builds launched, please wait...
!!! 07:55 - rt-ax88u build failed!
!!! 07:55 - /home/claus/amcfwm/rt-ax88u-output.txt
=== 07:55 - All done!
11. Open /home/claus/amcfwm/rt-ax88u-output.txt
https://pastebin.com/AbHJtn0U (yes that's the full log copied from top to bottom)