Every human on Earth vanishes, except for one random person in the US. A button is placed on the summit of Mount Everest that can be pressed to undo this change. Can humanity be restored?

[u/ThePriestofVaranasi]

Every human on Earth vanishes without a trace, except for one random survivor: Ethan from the United States. Moments after the disappearance, a mysterious device materializes before him, displaying a message:
"Humanity can be restored. To activate revival, you must press the button housed at the highest point on Earth—the summit of Mount Everest."

Ethan essentially has as much of a prep time as he wants to gather all the essentials like food, water, weapons, vehicles and everything else that has been suddenly abandoned. He can raid supermarkets, libraries, military depots, and pharmacies for supplies. Ethan can still die of old age so this prep time isn't unlimited.

Now, Ethan faces an impossible gauntlet:
He must travel to Nepal and ascend to the summit of Mount Everest without dying.

Can Ethan survive long enough to reach the button and restore humanity?

[u/Stalking_Goat]

Technically the altitude record for a helicopter is well above the peak of Everest. But that record was in open air; there are strong and unpredictable winds blowing over mountain tops, so I didn't fancy the chances of trying to land a helicopter on the top of Everest.

[u/RedstoneEnjoyer → u/Stalking_Goat]

Well if Ethan is really really determined, he can simply crush helicopter near the summit, push the button and then wait for death. (assuming that Ethan is great helicoper pilot)