# 2. Activating your License Key

{% hint style="info" %}
**Heads up!** Before activating your license key, make sure you installed Smart Image Resize PRO.
{% endhint %}

1\. In your WordPress admin, go to the *WooCommerce menu → Smart Image Resize → Manage License*.

![](/files/BxFOTCr7OwxUZxOBIi5l)

{% hint style="info" %}
If you're not using WooCommerce, you can activate your license key under *the Settings menu → Smart Image Resize → Manage License.* 
{% endhint %}

2\. Copy and paste the license key you received in your purchase confirmation email, and click the **"Activate license"** button to activate your license key.

![](/files/l06hcNeFycBfeY4oHZHD)

{% hint style="info" %}
Didn't receive your purchase confirmation email? [Log in to your account](https://sirplugin.com/myaccount) to access your license key and download link.
{% endhint %}

#### Can I change the license key to another domain after I activate it?

Yes, but before you activate your license key on the new domain, make sure you unlink it from the old domain. Here's how:

1. Go to *WooCommerce menu →  Smart Image Resize  →* *Manage License*
2. Click the button "**Deactivate license"** to remove the license key from the old domain
3. Now, you can activate it on the new domain

{% hint style="info" %}
Having trouble activating/deactivating your license key? [Log in to your account](https://sirplugin.com/myaccount) to manage your site activations or email <support@sirplugin.com> for support.
{% endhint %}


---

# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.sirplugin.com/getting-started/2.-activating-your-license-key.md?ask=<question>
```

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