When labeled as an "All-in-One Portable," this usually refers to a community-repacked version of the game designed to run without a standard installation process.
When he finally closed the lid of his laptop at 3:00 AM, the USB drive was warm to the touch. He didn't save and quit to a server; he saved to a file on his desktop. The Sims 4 All in One Portable 1.67.45.1020 Sim...