01. Open cmd

02. Goto directory where we want to create firstApp

03. Type => flutter create hello_app

04. Press enter

05. Goto => cd firstApp

06. Type => code .        (Means will open this code on VS code)

07. Type => flutter run

08. From multiple devices found : choose any option (Exam : Chrome)

09. If find any error, Type => flutter run -d web-server

10. Now from VS Code => Select device (Right below corner by default showing Windows)