How to remove extensions in chrom

There two extension i know one install in computer and uninstall in control panal and manged
 extensions .

First Type

Step1 

Go to the "Settings"button

Step2

Click the "extensions" button

Step3

And "uninstall"the extenstion

Manged Type

Step1

Go control panel an Click the "uninstall or Change Program"

Step2

uninstall the extension