This is the most popular and best-rated WordPress Knowledge Base plugin for articles, documents, and FAQs that is easy to use and works with any theme. It allows beginner users to create a knowledge base, but is also built for big websites and large companies and organizations.
Go to your WordPress Dashboard and login.
On the Admin sidebar, go to Plugins menu and select “Add New.”
On the “Add Plugins” page, select the Author option in the filter drop-down.
1. In the search box type in: echoplugins.
2. Click on the Install Now button.
Click on the Activate Button.
Now that you have activated the Knowledge Base plugin, you will be shown the Setup Wizard page to set up your new Knowledge Base: