Open the Google Play Store or Apple App Store
Search for PUBG MOBILE KR or PUBG KR
Install the app if it is available in your region
If it is not available, download the APK from the official PUBG MOBILE KR source
Enable Install Unknown Apps on Android if using an APK
Open the downloaded APK file and install it
Launch the game after installation
Sign in with your account
Download the additional game resources when prompted
Allow the required permissions
Update the game whenever a new version is released