Use the tab to "Restore" the Snow Leopard ISO onto the USB partition.
. Unlike previous updates that focused on flashy new features, Snow Leopard was famously marketed as having "zero new features," instead focusing on refinement, performance, and stability The Philosophy of Refinement mac os x snow leopard 10.6 8 iso download
Here's the correct guidance, broken down by what's legal/safe versus what's not . Use the tab to "Restore" the Snow Leopard