How to Super fast activate Steam Game product keys

Do you have so many steam game keys from bundles and you have a hard time activate them all?
This Guide is for you!!!

Guide

Video Guide :

How to use :
Setup(Once Only):
1. Install Tampermonkey for chrome https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo?hl=en
2. Add the below script to Tampermonkey
Script to copy to Tampermonkey

// ==UserScript==
// @name         steam active script
// @namespace    steam
// @version      0.1
// @description  steam active script
// @author       Melon Tea Solutions Limited & Steamhk.com
// @match        *:/store.steampowered.com/account/registerkey*
// @grant        GM_addStyle
// @require      https://code.jquery.com/jquery-3.2.1.min.js
// ==/UserScript==
GM_addStyle("#registerkey_form {display:block !important}");
(function() {
    'use strict';

    $.noConflict();
    jQuery('#accept_ssa').prop( "checked", true )
        .change(function(){
        jQuery(this).prop( "checked", true );
    });
    jQuery('#product_key').bind('paste',function(){
        setTimeout(function(){
            jQuery('#accept_ssa').prop( "checked", true );
            RegisterProductKey();
        },100);
    });
})();

Activate Games:
1. Ctrl + C to copy your steam activation key.
2. Open https://store.steampowered.com/account/registerkey
3. Ctrl + V to paste your steam activation key to the input box. Your product will be automatically activated.
4. Repeat...