At 00:00 the video opens with a brief introduction to the ROG XBOX ALLY X setup on SteamOS. At 01:00 the narrator shows how to download and write the SteamOS image to a USB drive. At 01:46 they walk through disabling secure boot in the BIOS. At 02:13 the first boot of SteamOS is demonstrated, followed by 02:24 where the USB is prepared for booting. At 03:46 the guide explains how to install Decky in desktop mode. At 04:58 the SimpleDeckyTDP plugin is installed in desktop mode. At 05:16 the user adds the gaming mode add‑on. At 05:52 the TDP controls are configured. At 06:16 a controller test is performed. At 06:49 the video covers sleep mode and RGB lighting. At 07:15 the narrator shows how to return to Windows. At 07:36 the video concludes with a thank‑you to viewers.
