Remember that each launch option needs to have the ( – ) prefix.Use the Launch Options bar provided on the General tab to add launch options.There, right-click on the game you wish to configure and choose Properties from the drop-down menu.After that, navigate to the Steam Library.First, open the Steam client on your computer.To set launch options for a game in your Library, follow the instructions below: This is because you will be using the Steam app to set launch options for the games in your library while adding launch parameters to Steam is done outside the app. The process of setting launch options for games is different from that of the Steam client. How to set launch options in Steam games? However, in this article, we will take you through various launch options that you can use on Valve games to customize their functionality. This is because the launch options depend solely on the developers of the game, and so they can differ for different games. Unfortunately, not all of the games available on the Steam platform support these launch options. Newbies are advised to stay away from altering things they don’t know about. Please note that this guide is meant for advanced Steam users who know their way around commands.

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