Noted That:

• To install correctly this mystickymenu.zip .
• Fisrt Download the mystickymenu.zip to your computer
• Extract/Open mystickymenu.zip to Your Computer.
• Then, Find readme.txt file inside mystickymenu.zip and Open readme.txt .
• Now, Read the Requirements of this plugin. Which Wordpress Version and PHP Version are required to run this Plugin in Your Wordpress Site.
• Then, Follow the Tips Below.

Start the Tips:

1. First Download " mystickymenu.zip " Plugin to your Local Computer. (Click Download)

2. Then, Login to your " yourdomain.com/wp-admin " Dashboard.

3. Then, Click on " Plugins " + " Add New " from left sidemenu of Dashboard.

4. Now, Click on "Upload Plugin" button.

5. Now, Browse " mystickymenu.zip "  Downloaded plugin from your computer, Where you downloaded mystickymenu.zip According to Step – 1 Above then, click on " Install Now"

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " Sticky Menu on Scroll, Sticky Header, Floating Notification Bar for Any Theme – myStickymenu " folder is added on left sidemenu. Now, Click on " Sticky Menu on Scroll, Sticky Header, Floating Notification Bar for Any Theme – myStickymenu " folder.

   Noted that: If you do not see " Sticky Menu on Scroll, Sticky Header, Floating Notification Bar for Any Theme – myStickymenu " folder on left sidemenu then, see at left sidemenu " Settings " or " Tools ".

8. Now you configure yourself oR Watch video tutorial below about  Sticky Menu on Scroll, Sticky Header, Floating Notification Bar for Any Theme – myStickymenu Configurtions and Settings or How to work " Sticky Menu on Scroll, Sticky Header, Floating Notification Bar for Any Theme – myStickymenu " in your WordPress site.

After Activated Plugin According to Step-6 then,

1. Go to " Plugins " + " Installed Plugin " from Wordpress Admin Panel Leftside Menu.
2. or Direct go to: https://yourdomain/wp-admin/plugins.php
3. Then, Find " Sticky Menu on Scroll, Sticky Header, Floating Notification Bar for Any Theme – myStickymenu " Activated Plugin from Plugin List.
4. Then, Click on " Settings " from Plugin that is Sticky Menu on Scroll, Sticky Header, Floating Notification Bar for Any Theme – myStickymenu
5. Now, Edit/Add/Config the setting and Click on " Save Changes " button,

Install like any other plugin. After install activate.
Go to Settings / myStickymenu and change Sticky Class to .your_navbar_class or #your_navbar_id . Sticky Class should be HTML id or class of the HTML element desired to be sticky… Clear WordPress cache if exists.

For example:

Celestial-Lite (sticky header)
** Sticky Class => #branding
** .myfixed css class => .myfixed { margin:0 auto!important; float:none!important; border:0px!important; background:none!important; max-width:100%!important; } .myfixed #site-navigation { margin-top:0px!important; } .myfixed #logo img {width: 200px;}

Church Theme
** Sticky Class => #menu-hauptnavi

Customizr Theme
** Sticky Class => .row-fluid (for header) or .nav (for menu)

CyberChimps
** Sticky Class => .navbar-inner

Decode
** Sticky Class => .header-menu
** Make visible when Scrolled after => 370
** .myfixed css class => .myfixed { margin:0 auto!important; float:none!important; border:0px!important; background:none!important; max-width:100%!important; padding-top:5px; padding-bottom:5px; }

Genesis / Dynamik Theme
** Sticky Class(sticky header) => .site-header
** Sticky Class(sticky menu) => .nav-primary

Graduate
** Sticky Class => .main-navigation

Graphene
** Sticky Class => #header-menu-wrap

Illdy
** Sticky Class => .top-header
** Disable at Small Screen Sizes => 993

Illdy (mobile support)
** Sticky Class => .header-blog
** CSS Style => #mysticky-nav .myfixed { margin:0 auto; float:none; border:0px; background:none; max-width:100%; } .myfixed .bottom-header {display:none;}

Lawyer theme
** Sticky Class => .wrapper
** .myfixed { margin:0 auto!important; float:none!important; border:0px!important; background:none!important; max-width:100%!important; } .myfixed { padding-left: 0px; padding-bottom: 0px; padding-top: 0px; } .wrapfixed { -webkit-box-shadow: 0 8px 6px -6px rgba(68,68,68,0.6); -moz-box-shadow: 0 8px 6px -6px rgba(68,68,68,0.6); box-shadow: 0 8px 6px -6px rgba(68,68,68,0.6); } .myfixed .logo img { max-height: 45px; } .myfixed .quick-info { display: none; } .myfixed .mainmenu { margin: 0px } .myfixed .mainmenu { padding-top: 7px; }

Max Magazine
** Sticky Class => #nav
** Make visible when Scrolled after => 250
** .myfixed css class => .myfixed { margin:0 auto!important; float:none!important; border:0px!important; background:none!important; max-width:100%!important; } #nav { min-height:40px!important; }

Naturo Lite
** Sticky Class => .header-inner

Nirvana Template
** Sticky Class => #access

OceanWP
** Sticky Class => #site-header

Responsive
** Sticky Class => .main-nav
** Make visible when Scrolled after => 250
** .myfixed css class => .myfixed { margin:0 auto!important; float:none!important; border:0px!important; max-width:100%!important;} .myfixed .menu { background:none!important;}

Spacious
** Sticky Class => #masthead (sticky header)
** Make visible when Scrolled after => 250
** .myfixed css class => .myfixed { margin:0 auto!important; float:none!important; border:0px!important; max-width:100%!important;} .myfixed #site-description { display:none;} .myfixed #site-title a { font-size: 24px; } .myfixed #header-text { padding:0px!important;} .myfixed .main-navigation { padding-top: 0px!important; }

Storefront
** Sticky Class => .main-navigation

Suits
** Sticky Class => .navbar

Tempera Template
** Sticky Class => .menu

Travelify
** Sticky Class => #main-nav

Twenty Sixteen
** Sticky Class => .site-header-main

Twenty Ten
** Sticky Class => .menu
** Make visible when Scrolled after => 370
** .myfixed css class => .myfixed { margin:0 auto!important; float:none!important; border:0px!important; background:none!important; max-width:100%!important; } .menu {min-height:38px;}

Twenty Eleven
** Sticky Class => #access
** Make visible when Scrolled after => 600
** .myfixed css class => .myfixed { float:none!important; max-width:100%;}
.myfixed .menu { background-color:none; float:left; }
.myfixed div { margin: 0px!important ; padding: 0px 7.6%; }

Twenty Eleven (add search to sticky menu bar)
** Sticky Class => #branding
** Make visible when Scrolled after => 600
** .myfixed css class => .myfixed { margin:0 auto!important; float:none!important; border:0px!important; background:none!important; max-width:100%!important; } .myfixed a {display:none;} #mysticky-wrap {min-height:500px;} .myfixed #site-title, .myfixed #site-description{display:none;} .myfixed #access { margin: 0px auto 0px; } .myfixed #searchform { top: 0.3em!important; }

Twenty Twelve
** Sticky Class => .nav-menu
** Make visible when Scrolled after => 250

Twenty Thirteen (sticky header – add your own custom logo image and edit to suite your needs)
** Sticky Class => #masthead
** .myfixed css class => .myfixed { margin:0 auto; max-width:1070px; width:100%!important;} .myfixed .search-form, .myfixed .site-description, .myfixed .site-title { display:none;} .myfixed .home-link { max-width: 55px; min-height: 38px; margin-left:20px; float:left; background-image: url(‘logo.png’); } .myfixed .navbar { max-width:645px; float:right;} .wrapfixed .navbar { background-color: transparent; } .wrapfixed ul { padding-right:0px; }

Webnus netStudio theme
** Sticky Class => .nav-wrap2

Weblizar
** Sticky Class => .row

Wrock Metro Theme (entire header)
** Sticky Class => #navigation