Getting started

Turning on Steam integration

This is the step that lets Steam install and play Windows games. Quit Steam first; Superposer tells you if it's still running. Then Turn On… on the Steam integration card (or on the Steam Integration page). It:

• switches Steam into its "Windows mode" (a one-line settings file inside Steam), so Steam offers the Windows versions of games;
• adds two Superposer tools to Steam: Superposer (Windows version) runs your Windows games, and Superposer (Mac version) keeps every Mac game you have installed running as a Mac game;
• sets your Windows-only games to run with Superposer. Every other game stays a Mac game.

Some Windows games also need Valve's free "Steamworks SDK Redist"; Superposer asks Steam to download it the next time Steam starts. Then start Steam again.

Keep Superposer.app in Applications. Steam uses the tools inside the app. If you opened it straight from its disk image or your Downloads folder, Setup's first step is Move to Applications (one click: Superposer moves itself and reopens), and Steam integration can't be turned on until it's done. If you move the app later, open it once from its new place and turn Steam integration on again. If you delete it, see If you deleted the app.

Steam keeps updating itself as usual (never block its updates). If reinstalling Steam removes Superposer's settings, Superposer puts them back by itself; see Steam updated itself. Turn Off on the Steam Integration page puts Steam back to normal.