Go to App Store on your Mac and search for Xcode. Download and install it.
Open Xcode and click 'Create a new Xcode Project'
Choose 'Single View Application' and hit Next
Enter product name, choose iPhone under Devices and hit Next. Select a location to save the project. Hit Create.
Drag and drop Label into the white space (see image)
Double tap on label and enter your name
Save your project (cmd+s) and hit the play button on top left
Yes, your app opened on simulator.