React Native + Windows

Do as I say and you’ll have it in 30minutes

Install Chocolatey - Run powershell in administrator mode and type the command mentioned on the installation page
Chocolatey Software | Installing Chocolatey

Run the choco command listed in the below page to install java and nodejs
Set Up Your Environment · React Native

Install Android Studio - Download Android Studio & App Tools - Android Developers

Add an environment variable named ANDROID_HOME and put it’s value as the location of your Android SDK

That’s it.