MiSTer was originally developed for DE10-Nano only, but from now on ported to DE10-Standard FPGA board by modernhackers.com
You can follow the DE10-Standard Edition Project on Github
DE10-Standard MiSTer Menu Github Wiki Page with Instructions:
https://github.com/MiSTer-DE10-Standard/Main_MiSTer/wiki
DE10-Standard MiSTer Menu Download Repository:
https://github.com/MiSTer-DE10-Standard/Menu_MiSTer