Set the Internal Resolution to 2x or 3x for HD visuals if your hardware allows.
Use a tool like 7-Zip or WinRAR to extract the contents. You should find a file ending in .3ds or .cci . EscapeSunv1d01RandomizerCitra-pokemonerdotcom.rar
Get the latest version of Citra from the official website. Set the Internal Resolution to 2x or 3x
Open Citra, go to File > Load File , and select your extracted .3ds or .cci file. Optimize Performance: go to File > Load File