Only if you don't want to use Steam. I'm not really sure what point you think you're making here by constantly asking whether you can use SteamOS without logging in to Steam. You can however install literally anything you like on a Steam Deck.

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koolala 2 hours ago | parent [-]

It's nice on something like Steam Frame where it's hard to install a new OS. Forcing a log-in like Windows is evil and sucks when you don't have internet.

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pjerem 2 hours ago | parent [-]

Nobody knows if it will be hard to install another OS on the Frame.

	▲	koolala 2 hours ago \| parent [-]
		The hard part is making one work on it since none already exist like the hundreds that exist for normal computers like Deck. They might not let their 6dof headset tracking code be shared and getting that working would be very hard.