Only way is to use application task manager.
Note that all changes to the Advanced Settings is done by using a text editor to change specific files under the settings folder in your game's directory. Essentially by buying the game you buy the right to play on the official servers and support the developer. Every purchase of the game includes a link to the source code which can be redistributed however you like. This means that a Power User can basically change everything about the game if they so choose from tweaking the window size to replacing all the graphics. One Hour One Life is an Open Source game allowing you to change everything down to the underlying code. The page is split into these 3 categories: Advanced Settings, Private Servers, and Modding.
If you're looking to tweak your game's client settings, wanting to setup you own private server, or want to mod the game, this is the page you want. Reason: ' Out of date information and empty sections (Jan 2019)' The Discussion page may contain suggestions. This article may need cleanup to meet quality standards.