Windows needs the PE relinker flag, not just an .exe name
Take both files from the same GitHub tag. This is not a launcher and not a game pack.
v0.1.2 · relinker-v0.1.2.exe · prx-windows-v0.1.2.zip

Download a matching pair
From v0.1.2 take
relinker-v0.1.2.exeandprx-windows-v0.1.2.zip. Do not mix Windows and Linux, or mix tags.Lay out the input
Clean ELF beside exactly one of
sce_module/,sce_modules/, orprx/. SELF/fSELF files are skipped.source/ input.elf sce_module/ <bundled ELF modules>Convert for this host
Default output is Linux ELF. Use
--windowsfor PE — an.exefilename is not enough.PowerShell
.\relinker-v0.1.2.exe --windows source\input.elf app.exe
Add
--to-intelon Intel hosts for supported AMD-only instructions. Exit code2means conversion failed.Build the runtime folder

Layout quoted from boykopovar/AnyPS5 docs/user/USAGE.md app.exe libs/ *.prx app0/ <app resources> sce_module/ <converted modules>Original PS5 libraries in
libs/often fail with error 193. Official archives already include the MinGW DLLs; missing them can surface as error 126.Launch from a terminal
.\app.exe
Keyboard mapping: INPUT_MAPPING.md