Auto cookies delete on browser close

cookies are small text-files stored on users hard drives by a website which cookies setting enabled for many purpose, one of them is remembering user who frequently visit that site, cookies are available almost in every e-commerce site, so i will show you how to apply this technique in mozila firefox before focusing on google chrome , firefox got a new feature button named forget through that button you can easily remove recent data history and cookies only one click needed, this latest feature also provide a option of deleting your browser data and cookies from last 5 minutes to all old browsing history. its a good solution of getting yourself out of your online tracking from advertising companies.  how to perfrom this action in firefox i am gonna demonstrate bellow.

click on burger type icon in the right-upper corner of the browser and click on option, new setting windows will opened, then select privacy tab in current setting window, you will see a drop down list named remember history next to the firefox will label, select user custom setting for history, after selecting you will see many check boxes but you have to tick on keep cookies untill i close firefox

click on done, that all, 

Click on burger typed button look same as in firefox in upper-right corner and click on setting tab, after clicking you will see the first interface of setting menu , scroll down to find Advanced setting

option and open it this will open a setting window and click on content setting button , you will see a window with radio button, you have to tick mark keep local data untill you quite your browser and then finally click on done and close all setting windows.