Everything old is still old but being re-presented to new people. The latest in the recent spate of really old games to get re-offered is The Elder Scrolls II: Daggerfall
. It's completely free. Free!
But it comes as it was originally presented - in DOS. Don't worry though - Bethesda has your back. The publisher has provided a link to DOSBox so you can grab an emulator and get it running.
Get it here