Applies to: ShasTech SEO Synergy Free 6.2.2+.
Before you install
ShasTech SEO Synergy Free 6.2.2 or newer is the core plugin. ShasTech SEO Synergy Pro is an add-on and must be installed alongside the Free plugin.
- WordPress 6.2 or newer.
- PHP 7.4 or newer.
- An administrator account with plugin-management access.
- HTTPS is strongly recommended, and required for the public Google OAuth workflow.
Install Free
- In WordPress, open Plugins → Add New.
- Search for ShasTech SEO Synergy.
- Install and activate the Free plugin.
- Open ShasTech SEO Synergy in the WordPress admin and review the main settings.
Install Pro
- Purchase a Pro plan and sign in to the ShasTech License Customer Portal.
- Download the latest Pro ZIP.
- Open Plugins → Add New → Upload Plugin.
- Upload the Pro ZIP and activate it.
- After a fresh activation, Pro opens the Getting Started page so you can finish setup.
Recommended first checks
- Confirm both Free and Pro are active.
- Activate your Pro license.
- Run the Free Audit Center once.
- Configure optional AI and Google integrations only if you plan to use them.