i will take my dog with me everywhere and go to a really nice store and take a tons of clothes,foods and other things (gun, knife etc..), and rob everything on the earth cause there is nobody to stop you and i'll improve my golf swing. It probably means a disease, a massive abduction by naked horny aliens or maybe even zombies either way, to ensure the safety of myself and my dog i probably get fully armed anyway how the hell would i know that i'm the last human alive? i suspest i'd go looking for other people, you know at like this time i'll need some sort of living companion.
Steal a gaming pc and make YouTube vid... Wait... I'm alone... Hmmm. I'll play MC multiplayer! Wait... I'm alone. Damn it! Well, time to teach animals English and how to play games.
I will be thinking theories, rhetorical questions about how i am still alive and nobody other is and finally shot myself
Alot of people on the internet thought about cloning themselves first, I would personally just explore the whole world, and die peacefully knowing every secret Think about it, you could go to the Vatican Secret Archives, Area 51 (as already mentioned) , you would be able to explore every single piece of our world
How would you get their if you dunno how to fly a plane, you could boat it but that will take too long