Strikethrough Shortcut Key for Multiple Apps on macOS

There is No default strikethrough shortcut key on macOS. Here is a simple way to enable this shortcut for multiple apps.

Tested on: High Sierra, Catalina; Tested Apps: Notes, Evernote, Pages; Not work: Medium Edit using Chrome

1. Open ?System Preferences???Keyboard???Shortcuts?? ?App Shortcuts?
2. Click ?+? Button and Key in

Menu Title: Strikethrough

Keyboard Shortcut: e.g., ??S