Noted That:

• To install correctly this gf-prevent-duplicates.zip .
• Fisrt Download the gf-prevent-duplicates.zip to your computer
• Extract/Open gf-prevent-duplicates.zip to Your Computer.
• Then, Find readme.txt file inside gf-prevent-duplicates.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 " gf-prevent-duplicates.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 " gf-prevent-duplicates.zip "  Downloaded plugin from your computer, Where you downloaded gf-prevent-duplicates.zip According to Step – 1 Above then, click on " Install Now"

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " Gravity Forms Prevent Duplicates " folder is added on left sidemenu. Now, Click on " Gravity Forms Prevent Duplicates " folder.

   Noted that: If you do not see " Gravity Forms Prevent Duplicates " folder on left sidemenu then, see at left sidemenu " Settings " or " Tools ".

8. Now you configure yourself oR Watch video tutorial below about  Gravity Forms Prevent Duplicates Configurtions and Settings or How to work " Gravity Forms Prevent Duplicates " 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 " Gravity Forms Prevent Duplicates " Activated Plugin from Plugin List.
4. Then, Click on " Settings " from Plugin that is Gravity Forms Prevent Duplicates
5. Now, Edit/Add/Config the setting and Click on " Save Changes " button,

Easy

1. Search via plugins > add new.
2. Find the plugin listed and click activate.
3. Nothing else to do : all forms will be protected

Usage

Try submitting a form to test, and see button text and behavior change