How to Change Icons in macOS
To change icons in macOS, copy the new icon or image, right-click on the folder or file you want to change, select Get Info and paste the new icon or image.
How to Add Words & Spellings to macOS Spellcheck
You would think your Mac should know every word and spelling you throw at it since it must have a huge vocabulary. However, that is not always the case. Every so often, you'd see something you type highlighted with a dreadful red dotted line below it. The line means either you just made a typo, or macOS does not know the word. If you did type correctly and want it remembered for the future, here's how you can add the word or spelling to macOS Spellcheck.
How to Lock Screen in macOS
One of my all-time favorite things with Windows is how easy it is to lock the screen. You simply press the Windows key and L. With that, your screen is instantly locked, keeping your secrets and browsing history safe from unwanted prying eyes when you are away. The key combo makes such perfect sense too - Windows Lock, lock Windows. However, what if you are on a Mac? How do you lock screen in macOS?
How to Force Quit Mac Menu Bar Apps
If you have Mac Menu Bar apps not responding, you can force quit them with the Activity Monitor app available as a stock app in macOS.