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Forgive me for only doing basic research into this, but couldn't one set up some solar panels for electricity, dig some shelter, and recover water from the atmosphere? Wouldn't that do a decent job of allowing at least some degree of livability there?

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I think it's technically possible, but it would be expensive, and then what do you have? A hole in the dirt, powered by solar panels you have to maintain forever so you don't die of hunger and thirst.

No, you wouldn't get a meaningful amount of water from the air (I think it is safe to assume the air is quite dry there). And you'd still need food, at least.

The amount you would need to reclaim is related to the efficiency at which you recycle the water you have. You would need to invent a real-life culture like the Fremen of Arrakis.

Of course, if you got efficient enough, you could simply buy water to be airdropped into a catch pond. Then you drain the pond and pipe the water into your recycling system. It would likely be cheaper than trying to dehumidify desert air.

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