support.microsoft.com

5YRPQ TIL the pressing SHIFT+F3 after selecting the words can make you change between lowercase, UPPERCASE, and Capitalize the selected words. I feel so glad and stupid for not knowing this in my entire life.
7BbX TIL that some older PCs would play Für Elise through their motherboard speakers to indicate hardware failure. Other tunes occasionally heard included “It’s a Small, Small World” and “Eye of the Tiger.”
QKRa TIL that if your BIOS was made by Award/Unicore after 1997, there’s a good chance that it’s set to make the PC speaker play either Beethoven’s “Für Elise” or "It’s a Small World (after all)” if the CPU fan fails.