- Login to dashboard of your WordPress website in which you want to add YouTube Subscriber button.
- Go inside Plugins section & select Add New.
- Select YouTube Subscribe Bar plugin from the list and click over Install Now.
- Install the Plugin and then Activate it.
- Scroll down to Settings section and select YouTube Subscribe bar.
- On the next page, configure the settings.
- Click over Save Changes to update the changes.
You can read out the blog to know the procedure in detail.