Mostly I think we need a guide on the opening live screen, since the installer seems pretty self-explanatory (though maybe there are obscure places now--we have a blow-by-blow in the Mepis Users Manual for M11 that could be adapted).
You can paste a draft here in a quote box for people to look at if you like.
Production: 5.10, MX-23 Xfce, AMD FX-4130 Quad-Core, GeForce GT 630/PCIe/SSE2, 16 GB, SSD 120 GB, Data 1TB Personal: Lenovo X1 Carbon with MX-23 Fluxbox and Windows 10 Other: Raspberry Pi 5 with MX-23 Xfce Raspberry Pi Respin