What would you do if you were accidently given $10.5 million?

There's his story about crypto.com accidently refunding $10.5 million to an Australian lady that randomly goes viral every few months. She didn't report the mistake. Instead, she bought a $1.35M property in Craigieburn, Melbourne, high-end cars, and sent money overseas. Once Crypto.com noticed they launched a lawsuit, she tried to flee the country, and, well… let’s just say it didn’t end well for her.

In her scenario, what would you have done?

Source - https://techiegamers.com/crypto-com-mistake-australian-woman/