# Prerequisites - Advanced POS User Interface

The following pre-requisites must be met before the Advanced POS User Interface can be used:

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### Maitre'D version

Maitre'D version 7.08.000.430 or later.

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### Maitre'D License

Valid Maitre'D Software-as-a-Service (SaaS) license with Embedded Maintenance Program (EMP).

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### Hardware

See [Hardware Requirements](/payfacto-knowledge/maitred-pos/maitred/maitred-advanced-pos-user-interface-html-pos/hardware-requirements.md#hardware-requirements) for [Advanced POS User Interface](/payfacto-knowledge/maitred-pos/maitred/maitred-advanced-pos-user-interface-html-pos/hardware-requirements.md#hardware-requirements-for-the-advanced-pos-user-interface-html-pos).

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### Operating System

Microsoft Windows 10 or later, both for the Maitre'D Back-Office and POS workstations.

Please consult [Operating System Requirements](/payfacto-knowledge/maitred-pos/maitred/maitred-complete-online-documentation/chap-1-hardware-and-software-requirements/operating-system-requirements.md#operating-system-requirements) for detailed patch level and supported editions.

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### Images and Graphics

The Maitre'D Advanced POS UI comes with a selection of generic, royalty-free images and graphics for your convenience. You can also use your own custom images in most common formats. If you wish to use custom-branded images, have them in-hand before configuring the Maitre'D Advanced POS UI.

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### Supported image formats

The Maitre'D Advanced POS UI supports the following image formats:

* Scalable Vector Graphics (\*.svg)
* Portable Network Graphic (\*.png)
* Joint Photographic Experts Group (\*.jpg or \*.jpeg)


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