… using the arrow keys
Step 1 – Add the following code to your sprite:
Step 2 – If you don’t want your sprite to rotate, click on the blue “i” icon on your sprite. Try these “rotation style” options to find the one you need.
…using the mouse pointer
Instead of using the arrow keys you may prefer your sprite to follow your mouse pointer.
To do so add the following code to your sprite:
You can download this helpsheet as a pdf: How to control your sprite in Scratch