In a very different way to most of the answers on here so far:
A Pigeon Sat on a Branch Reflecting on Existence.
It’s simultaneously excruciatingly dull and mindbendingly interesting. A genuinely fascinating film, but requires a huge amount of focus and commitment from the viewer. Possibly my favourite film ever
Lots of great software already posted, but with some complaints about windows inefficiencies I can’t believe no one has posted:
Microsoft PowerToys https://learn.microsoft.com/en-us/windows/powertoys/
Basically, it’s a suite of tools that windows devs have made to make their lives easier while working in windows. Some features have made it into actual windows releases over the years, but most not.
It has an always on top, batch rename, customisable window snapping, better search, keyboard key remapper, mouse across multiple devices, colour eyedropper, and many many more.
Absolute must have for anyone that uses windows regularly.