macOS Catalina (10.15) requires 64-bit apps. Here's a quick way to check your apps and get a list of those that are not 64-bit.
It's great that you set up a Time Machine backup. But is it working? Find out now. Here are two ways to check.
Here's how to fix the "error -9923" issue (an error occurred when communicating with the scaanner). It takes just a few moments, and it works.
Here's how you check your Apple laptop's battery condition. Works for MacBook Air, MacBook Pro, and MacBook. Easiest thing ever.
There's always another way to do things-- sometimes a better way! Here's the easiest way to send a file via the Apple Mail app.
Bring back the power button's old behavior-- get a dialog box asking whether you want restart, shutdown, sleep, or cancel.
The Mac's Calculator app does more than basic math. It knows trigonometry, square roots, exponents, natural logs, scientific notation, etc.!
You can customize the Finder's List View windows. Add and delete columns. Opt to show the size of folders. Change the size of icons.
You can change the order of the items in the Sharing menu, add and delete items, and more! Put the things you use at the top. Who knew?