Install via WP repository

Installing from WordPress plugins' repository

1. Go to Plugins -> Add New.

2. Towards the right upper region, click the search field.

3. Start typing to search for “Database for Contact Form NinjaTeam” by NinjaTeam.

4. Click “Install Now” button.

5. Wait for a few seconds for WordPress to complete the installation.

6. Click on Activate!

See image reference: