> For the complete documentation index, see [llms.txt](https://brenkel-solutions-eg.gitbook.io/installation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://brenkel-solutions-eg.gitbook.io/installation/english-1/licensing/on-premises.md).

# On-Premises

To use demandPlus+ in combination with On-Premises, you first need a license key.

{% hint style="info" %}
If you do not have a license key yet, please contact us at **<info@demandplus.info>**.
{% endhint %}

For licensing, a wizard is available in the Assisted Setup.

<figure><img src="/files/x1T2ByTOWkcXwDRtWvdt" alt=""><figcaption><p>Figure 1: Assisted Setup</p></figcaption></figure>

After you have entered the license key, it will be checked and the number of Power Users will be displayed, aswell as the App Name it belongs to.

<figure><img src="/files/x3ODIcMMWkxsdezSQa12" alt=""><figcaption><p>Figure 2: Register Key</p></figcaption></figure>

<figure><img src="/files/07LNT7naYvZf83HdIGn2" alt=""><figcaption><p>Figure 3: Register Key - Success</p></figcaption></figure>

{% hint style="success" %}
You have successfully registered your product key
{% endhint %}

To use your demandPlus+ Extension you have to define power user. Enter the user ID of the user who will later use this demandPlus+ Extension.

<figure><img src="/files/VQbvKxH2PumxPGvkDqpr" alt=""><figcaption><p>Figure 4: Power User</p></figcaption></figure>

To assing an App Membership press the "Assist Edit" button, marked in the above picture. After that, a window opens with your available demandPlus+ extensions.

<figure><img src="/files/VtfbkigYnosS4vfKPC9q" alt=""><figcaption><p>Figure 5: Product Keys</p></figcaption></figure>

After that, your user should be assigned to a demandPlus+ extension.

<figure><img src="/files/2IbjhV4uf0kdyFhegaY0" alt=""><figcaption><p>Figure 6 - Power User assigned</p></figcaption></figure>

{% hint style="info" %}
If the license needs to be replaced, e.g. because more power users are required, this must also be done via this wizard.
{% endhint %}