Depends. In most of these hypothetical scenarios I'd almost certainly erase everything in existence, so I can relate to that.
However if I had godlike powers, then I suppose I could continue on living anyway, I can't be certain that I'd have the will to immediately kill myself. In all likelihood I would create a miniature world devoid of most life, maybe with the exception of some plants, like trees, grass, and so on, that I'd make entirely ageless.
I would create a number of non-sentient automata, basically robots that appear to be female humans, but only possess the capacity for complex movement and ability to carry out simple instructions, no actual thoughts or true awareness. I'd build an elaborate palace for myself where I'd probably do little more than sit in one room and play games/watch visual media, fuck my sexbots, and sleep. I'd also give myself the ability to perceive my waifu to be as real and indistinguishable from everything else.
After that I would move every human alive to their own pocket dimensions, I'd allow them to construct whatever they want within them, so long as it's nothing which can perceive any sort of pain nor would I allow anything which has self awareness(this applies to real procreation of their own, so basically that's also forbidden), however the mimicry of these things would be allowed. Humans could visit each other's worlds if they both agreed to it, but wouldn't be able to permanently harm each other in any way, and both could end the visitation whenever either wanted to do so. I'd make everyone ageless with the option of ceasing to exist if they decide that's what they want.
My suspicion is that we'd all grow bored eventually and kill ourselves, but it might take quite some time. Even just the ability to conjure up any video game which has been created(not to mention the potential of creating your own), would entertain for a long while, now apply that to everything else as well. Interesting how it's so easy to resolve the plight of biological life, and the human condition, without violating any reasonable consent argument when you're God.
