Noted That:

• To install correctly this woo-yubikey.zip.
• Fisrt Download the woo-yubikey.zip to your computer
• Extract/Open woo-yubikey.zip to Your Computer.
• Then, Find readme.txt file inside woo-yubikey.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 the Tips Below.

Start the Tips:

1. First Download "woo-yubikey.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 "woo-yubikey.zip" Downloaded plugin from your computer, Where you downloaded woo-yubikey.zip According to Step – 1 Above then, click on "Install Now"

6. Now, Click on "Active Plugin"

7. Then, See left sidemenu. "yubikey-plugin" folder is added on left sidemenu. Now, Click on "yubikey-plugin" folder.

   Noted that: If you do not see "yubikey-plugin" folder on left sidemenu then, see at left sidemenu "Settings" or "Tools".

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

1. Buy a Yubikey
2. Create a Yubico ID & API Key
3. Unzip plugin into your /wp-content/plugins/ directory.
4. Enter Key ID on the Users -> Profile and Personal options page.
5. Enter Yubico ID & API key on the Settings -> Yubikey options page.
   Id/key confused ? Well the Key ID is the first 12 chars from the output Your Yubikey generates,
   they don’t change, the Yubico ID and API Key is used when communicating with the Yubico authentication server.