1. You must have npm, nodejs install in ur os.

2. On cmd or other terminal run the command
   npm install -g typescript

3. In any code editor write a typescript code and
   save it with ** .ts ** extension.

// ignore * in commands

1. Now in terminal run these two commands one after another
   command1_

   ** tsc file_name.ts **
   

//tsc (typescript compiler will compile it and convert it
// into js file

then run the following command
command2_

    ** node file_name.js **

:) you have successfully compiled and executed ur typescript file