Making your own ROM Free option Linux free version doesn't work. If you want the free option try CRB for Windows only https://forum.xda-developers.com/t/tool-windows-kitchen-crb-v2-2-1-update.3947779/ Some versions of Windows do not support...
-Most securities disabled
-CPU Governors: conservative, ondemand, userspace, powersave, interactive, performance.
-Interactive is default governor
-SE linux enforcing
-CPU overclocked and underclocked
-Big: 312 - 2288
-Little: 208 - 1690
-GPU: 343 - 1300
-Extended battery life
-Works with Magisk
Any remnant of SuperSU will cause a conflict.
-Spectrum support enabled