as the title of this guide describes, we can set the default launcher app on the Xiaomi smartphone. the
launcher app is responsible for the home screen and the widgets and app shortcuts used on it. there are many different launchers with different features and customization options. some focus on a customizable home screen, others on productivity.

Android 10 (MIUI 12.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Apps
Step 3:  Tap on  Manage apps
Step 4:  Open the  menu
Step 5:  Tap on  Default apps
Step 6:  Tap on  Launcher
Step 7:  Set the default  Launcher app
  1. Open the Settings
  2. Tap on Apps
  3. Tap on Manage apps
  4. Open the menu
  5. Tap on Default apps
  6. Tap on Launcher
  7. Set the default Launcher app

Xiaomi Instructions