

Should be.
One would think, but so you haven’t actually done it, have you? Because I might be misremembering, but I’m pretty sure I tried to install Windows onto a USB drive one time. I couldn’t get the installer to show the USB drive. I really want to be wrong, though.
How does one find such retired laptops? As an individual hobbyist in the US, would I just monitor eBay, Craigslist, or Facebook?