Change file extension ( .txt to .bat)

If you are wondering how to change a file extension follow these steps. 

First make sure you have the Hide file extension is deselected. 

One is deselected you can see the file extension 

Right click on the new text document.txt and rename. when you rename make sure to remove .txt and change it to .bat

Click yes. thats all the file is change to .bat extension now.