How to link skillsys up to FEBuilder to make a custom build?

Questions
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4

It is still in google cache.
https://webcache.googleusercontent.com/search?q=cache:pBLF1V2Yy7UJ:https://dw.ngmansion.xyz/doku.php%3Fid%3Den:en:guide:febuildergba:skillsystems_custombuild

Current:
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20220712.19/SkillSystem_FE8-Skill20220703.7z

Old Versions:
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20200316.21/SkillSystem_FE8U_20200223.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20200411.07/SkillSystem_20200411.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20200425.07/SkillSystem_FE8-20200425.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20200429.09/SkillSystem_FE8.20200430.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20200510.10/SkillSystem_20200511.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20200512.14/SkillSystem_FE8.20200512.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20200516.17/SkillSystem.20200519.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20200603.02/SkillSystem.20200604.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20200727.00/SkillSystem_20200727.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20200729.20/SkillSystem_20200730.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20200804.23/SkillSystem_20200807.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20201128.23/SkillSystem_FE8.20201128.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20220207.17/SkillSystem_FE8.20220127.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20220222.21/SkillSystem_FE8.20220222.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20220301.22/SkillSystem_FE8.20220301.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20220327.07/SkillSystem_FE8.20220402.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20220525.12/SkillSystem_20220527.7z
https://github.com/FEBuilderGBA/FEBuilderGBA/releases/download/ver_20220712.19/SkillSystem_FE8-Skill20220703.7z