This page covers installing the free version from wordpress.org, installing the Pro version from your account, and activating your license key. The steps are identical for plugins and themes — differences are marked.

On this page

1. Requirements
2. Install the free version
3. Install Pro from your account
4. Activate your license

1. Requirements

WordPress	`6.2 or newer`
PHP	`7.4 or newer`
Theme requirement	`none — works with any theme`

2. Install the free version

1

In your WordPress admin, go to Plugins → Add New and search for “Sticky CTA Button”. Themes: use Appearance → Themes → Add New instead.

2

Click Install Now, then Activate.

3

Find the settings under Settings → Sticky CTA. Themes: settings live in the Site Editor.

screenshot — Plugins → Add New, search result (grayscale)

Fig. 1 — The free version in the plugin directory.

3. Install Pro from your account

Download the Pro ZIP from your account, then upload it under Plugins → Add New → Upload Plugin. Pro replaces the free version automatically — settings are kept.

Note — you can keep the free version installed as a fallback; it deactivates itself while Pro is active.

Warning — themes only: don’t delete the free theme while a child theme depends on it. Switch to Pro first, then remove.

4. Activate your license

Paste your key from the account page under Settings → Sticky CTA → License. For automated setups, use WP-CLI:

# activate a license key
wp desk9 license activate D9-XXXX-XXXX-XXXX
# check status
wp desk9 license status

If activation fails

“Key already in use on N sites”

Deactivate a site in your account (Sites column) — the slot frees up immediately.

“Could not reach license server”

Your host blocks outgoing requests. Allow api.desk9design.com (port 443) or ask support for manual activation.

“Key expired”

The plugin keeps working — activation is only needed for updates. Resubscribe from your account to reactivate.

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Docs are versioned with each release and apply to plugins and themes alike.