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

# Register Trial Copy

To register your copy you may go to the About section of your ngSurvey installation and enter the unique serial number that was sent to you after your purchase.

![](/files/-MC7BPZ5140NGTpY8Rrv)

{% hint style="warning" %}
This activation requires that your server can connect our external ngSurvey servers. If you need an offline activation contact our sales.
{% endhint %}

If you running ngSurvey on closed network you may uncheck the **Serial number** option and send us the License code, we will in return send you a code that you can copy / paste to activate your copy without network connections.

![](/files/-MC7BnFj0L2VW_sP6VXE)


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