# Step 2: Install Your Visionline Application

You can install the Visionline application and use a development—pre-certification—Visionline account to develop and test your mobile key app.

{% hint style="info" %}
The [mandatory ASSA ABLOY mobile development course](https://docs.seam.co/latest/device-and-system-integration-guides/assa-abloy-visionline-access-control-system/visionline-acs-setup-instructions/developing-and-launching-your-visionline-mobile-key-app/developing-your-visionline-mobile-key-app/step-1-complete-the-assa-abloy-mobile-development-course) shows you how to install and set up Visionline using your development account. If you have already installed Visionline as part of the ASSA ABLOY mobile development course, skip this step.
{% endhint %}

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## System Requirements

Make sure that your computer meets the following requirements:

* Key server:
  * Visionline V1.27
  * Windows 10 1901 (or newer)
  * Hosted in a location where internet traffic is allowed
* ASSA ABLOY online locks:
  * Bluetooth modules and licenses installed

For more details, see the following ASSA ABLOY Visionline document:

{% file src="<https://2727122207-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxnN2A67918om1UthYWsF%2Fuploads%2Fgit-blob-655f6633fb00da4ff5a53410621dca9120b36350%2FVisiOnline%20Server%20Client%20and%20DCOM%20Port%20Requirements.pdf?alt=media&token=865d6e00-1471-4657-beba-eda48894e186>" %}

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## Install Visionline

Install the Visionline application on a Windows computer.

{% hint style="info" %}
When prompted for an account username and password, you must specify the username and password of the Windows account that has administrative rights to the computer on which you are installing Visionline.
{% endhint %}

For detailed instructions, see the following ASSA ABLOY Visionline document:

{% file src="<https://2727122207-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxnN2A67918om1UthYWsF%2Fuploads%2Fgit-blob-33ede69d759e60312014c9f5d6528cbe50b6a2c6%2F66%205013%20142-8%20Installation%20instruction%20Visionline.pdf?alt=media&token=a902fdb2-6b6d-49b5-9008-dc112060c1aa>" %}

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## Start Visionline

When you open the Visionline application, choose unlicensed mode.