Cryoutilities 2.0 !full! Download -

CryoUtilities 2.0 is a comprehensive suite of optimization scripts developed by Cryobyte33 specifically to enhance the performance and storage management of the Steam Deck. Unlike simple overclocking tools, this utility works at the Linux kernel level to adjust how the device handles memory and swap files, often leading to smoother frame rates and reduced stuttering in demanding AAA titles.

Steam Deck - How to Install & Setup CryoUtilities 2.0 - Full Guide

Switch to (Steam Button > Power > Switch to Desktop). Open Konsole (found in the Applications menu under System). Type passwd and press Enter.