> For the complete documentation index, see [llms.txt](https://docs.nalpeiron.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nalpeiron.com/zentitle2-docs/ui-entitlements/working-with-entitlements/activation-codes.md).
# Activation Codes
### About Activation Codes
In Zentitle, a given entitlement may have multiple valid activation codes - any of which can be used to activate a seat against the entitlement.
Activation codes are generally used in "node-locked" software product installations and in other scenarios involving the "on-premise" licensing paradigm.
{% hint style="success" %}
**There is no requirement to use an activation (license) code** - you can simply use account-based licensing (ABL) instead, where a user's login credentials are used to validate an entitlement. That can be directly from an iDP (e.g. Octa, Ping etc) or from within Zentitle)
{% endhint %}
### Entitlements activation codes tab
On the main Entitlements section at the base of the page is the "Activation Codes" section.
This area allows you to add, delete, or copy Activation Codes associated with this entitlement. These codes are generally for distribution with your commerce or billing system to enable the end user to "activate" their purchased product, etc.
{% hint style="info" %}
Activation Codes can't be edited. They are simply a string associated with the entitlement to be used to enable the licensing when distributed.
{% endhint %}
### Adding Activation Codes
 Click the "add" button in the top right of the section to add codes.
 You will offered two options for creating codes: **Generate or Type in**.
 To automatically generate codes, click "Generate" and then set the volume of required codes.
 Then, click save.
**The resulting codes are added to the Activation Codes view in that section.**
***
### Deleting codes
 To delete an activation code, pick one from the list.
 Click the "trash can" icon.
 Select 'Delete activation code.'
 Confirm you wish to delete when prompted for confirmation.
{% hint style="danger" %}
Any form of deletion **CAN NOT BE UNDONE. BE VERY CAREFUL WHEN DELETING.**
{% endhint %}
***
### Adding your own codes
Alternatively, you can add your own codes, subject to some rules.
{% hint style="warning" %}
Your own codes need to be added line by line with a return between them, and they can only be alphanumeric A-Z UPPERCASE and 0-9 and a dash (-).
{% endhint %}
***
### Adding "custom" codes
 Select the "type in" option.
 Add your own codes based on the rules above.
{% hint style="info" %}
The system can remove duplicates for you if you select that option.
{% endhint %}
 Then click save.
**The resulting codes are added to the Activation Codes view in that section.**
***
### Exporting codes
Once you have either added your own or, more likely, generated automated codes, you can export them to an Excel-compatible list for use in your other systems.
 Click the "export" button in the top right of the section, and a file is generated in the browser and saved to your default download folder.
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