> For the complete documentation index, see [llms.txt](https://docs.msgfiler.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.msgfiler.com/settings/license-settings.md).

# License

This section is different depending on which version of MsgFiler 4 you are using.

## Mac App Store

This section displays purchasing options and information when you have signed up for a subcription or purchased the Lifetime Unlock. 

The prices shown are subject to change and will depend on which country's App Store your Mac is currently attached to.

<div><figure><img src="/files/RQs57QKUUoEcN6aBnqX7" alt=""><figcaption></figcaption></figure> <figure><img src="/files/gHIpYwawh6nnXDVJ0iZI" alt=""><figcaption></figcaption></figure></div>

* **Restore Purchases**: If you reinstalled MsgFiler 4 and your license information does not appear, click Restore Purchases to contact the App Store and try to retrieve your past transactions.
* **Manage Subscriptions**: You can cancel your subscription on this Apple website.
* **Change Plan**: If you want to upgrade or downgrade your subscription, or purchase a Lifetime Unlock, click **Change Plan**.

{% hint style="warning" %}
If you purchase the Lifetime Unlock and are currently subscribed to a monthly or annual plan, you will have to cancel your subscription from the Manage Subscriptions page. [Learn more here](https://support.apple.com/en-us/HT202039).
{% endhint %}

## Gumroad

This section displays information about your license key. If you have not registered MsgFiler 4, you can enter your license key and activate your copy.

* **Purchase**: Open a browser to Gumroad's website to purchase a license for MsgFiler 4.
* **Activate**: Find your License Key in the confirmation email you received after you purchased MsgFiler 4 from Gumroad. Click **Activate** to verify your license details and register MsgFiler 4.
* **Deactivate License**: Remove the license from this Mac.

<div><figure><img src="/files/h2ujqRyaU9b8k8ZykO82" alt=""><figcaption></figcaption></figure> <figure><img src="/files/vQ5n7CdPg4V9IKXaKmr8" alt=""><figcaption></figcaption></figure></div>

The information displayed when you verify your license key is as follows:

* **License Key**: The license key you entered.
* **Registered Email**: The email address associated with the purchase from Gumroad.
* **Purchase Date**: The date the Lifetime Unlock license for MsgFiler 4 was purchased.