Step 1: Download Android Studio

• Go to official website and download: Download Android Studio
• Install it like a normal software (Next → Next → Finish)

Step 2: Install Required SDK Components

• After installing, open Android Studio
• Click:

  More Actions → SDK Manager

• In SDK Manager:

• SDK Platforms Tab:

  Select latest Android version (recommended: Android 13 or ah4ove)

• SDK Touls Tah4: Tick these options:

  • Android SDK Build-Tools
  • Android SDK Platform-Tools
  • Android Emulator
  • Intel x86 Emulator Accelerator (HAXM) (if available)
• Click Apply → OK to install

Step 3: Set Environment Variables (IMPORTANT)

• Open Environment Variables:

  Press Windows + S → Search Environment Variables → Click Edit system environment variables

• Add ANDROID_HOME: Click New System Variable:

  • Variable Name: ANDROID_HOME
  • Variable Value: C:\Users\YourUsername\AppData\Local\Android\Sdk

• Add to PATH: Edit Path → Add:

  • %ANDROID_HOME%\platform-tools
  • %ANDROID_HOME%\emulator
• Click OK and save everything

Step 4: Verify Android Setup

• Open terminal and run:

adb --version

If version shows → setup is correct

Step 5: Create Android Emulator

• Open Android Studio
• Click Device Manager → Click Create Device
• Select any phone (e.g., Pixel)
• Download system image (if not installed)
• Click Finish
• Start emulator

Step 6: Run React Native App

• Now run your project:

npx react-native run-android

Step 7: Run on Real Device (Optional)

• Enable Developer Options:

  Go to Settings → About Phone → Tap Build Number 7 times

• Enable USB Debugging:

  Go to Developer Options → Turn ON USB Debugging
• Run command:

npx react-native run-android