WPSSO Core Plugin Prerequisite

WPSSO Schema JSON-LD Markup (aka WPSSO JSON) is an add-on for the WPSSO Core plugin — to install and activate the WPSSO JSON add-on, you must already have installed and activated the WPSSO Core plugin.

If you purchased one or more WPSSO JSON Premium add-on licenses, you received an email with a unique Authentication ID that will be required to install and update the WPSSO JSON Premium add-on.

Install the Add-on

Free / Standard version

1. Go to the admin section of your WordPress site.
2. Select the SSO menu item.
3. Select the Complementary Add-ons settings page.
4. Scroll down and locate the "WPSSO Schema JSON-LD Markup" add-on.
5. Click the Add-on Details and Install link.

   If the link is named Plugin Details instead (no "Install" in the name) then the add-on is already installed and you can simply activate the add-on from the WordPress Plugins page.

6. Click the Install Now button in the add-on details window.
7. Click the Activate Plugin button when WordPress is finished installing the plugin.
8. The add-on settings page is available under the SSO > Schema Markup sub-menu.

Premium version

1. Install and activate the WPSSO Update Manager add-on (if not already installed and active):
   1. Go to the admin section of your WordPress site.
   2. Select the SSO menu item.
   3. Select the Complementary Add-ons settings page.
   4. Scroll down and locate the "WPSSO Update Manager" add-on.
   5. Click the Add-on Details and Install link.
   6. Click the Install Now button in the add-on details window.
   7. Click the Activate Plugin button when WordPress is done installing the plugin.
2. Enter the unique Authentication ID you received for the WPSSO JSON add-on in the SSO > Licenses settings page.
3. Click the "Save All Settings" button at the bottom of the settings page.
4. If the Free / Standard version of WPSSO JSON is already installed, click the Add-on Details and Update link:
   1. Then click the Install Update Now button in the add-on details window.
5. If the WPSSO JSON add-on has not been installed yet, click the Add-on Details and Install link:
   1. Then click the Install Now button in the add-on details window.
   2. And click the Activate Plugin button when WordPress is finished installing the add-on.
6. The add-on settings page is available under the SSO > Schema Markup sub-menu.

If you have a WordPress multisite (aka network) setup, please note that the WPSSO JSON add-on and the WPSSO Update Manager add-on must be activated on the default site / blog to get Premium version updates. This is a requirement of WordPress, not the WPSSO Core plugin or its add-ons — WordPress uses the default site / blog to manage updates in the network admin interface (which means the default site must be licensed to install updates). You can find additional information on managing multisite licensing here.