How to add missing apps from “Launchpad” on Mac
You need to “Reset Launchpad” so that the missing apps show up in your menu, and to do that follow these steps:
Step 1: Starting off, click on the desktop.
Step 2: Next, you need to click on the Go menu located on the menu bar.
Step 3: Now, press and hold the Option key ⌥. Then, click on Library.
Step 4: Next, you have to double click on the Application Support folder.
Step 5: Double click on the Dock folder.
Then, you need to drag all files ending in .db into the trash.
Step 6: Click on the Apple icon at the top left the corner of the screen → Finally, you need to click on Restart → Restart button.