> ## Documentation Index
> Fetch the complete documentation index at: https://docs.seam.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Step 2: Install Your Visionline Application

> Learn how to install the Visionline application and use your Visionline development account.

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

<Info>
  The [mandatory ASSA ABLOY mobile development
  course](./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.
</Info>

***

## 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:

***

## Install Visionline

Install the Visionline application on a Windows computer.

<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.
</Info>

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

***

## Start Visionline

When you open the Visionline application, choose unlicensed mode.