In Windows 1.0, different apps were in their own windows and could run at the same time. Windows could not yet overlap, but instead they would tile next to each other.

So indulge me as we dip back into history and talk about 5 things you might not know about Windows 1.0. Listen to the podcast version of this Top 5 episode on SoundCloud ...

What is now known as the Blue Screen of Death debuted in Windows 1.0 in 1985, and since then, it has appeared on millions of screens—maybe billions around the world.