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

# Installation

> How to install the Denari Desktop Windows application.

<Note>
  Installation requires a Windows systems administrator.
</Note>

## Install over an existing version

<Steps>
  <Step title="Download the installer">
    Download and run the [1.2.0 installer](https://arcari-native-production-bucket.s3.us-east-1.amazonaws.com/desktop/windows/amd64/Denari_Desktop_1.2.0_x64_en-US.msi).
  </Step>

  <Step title="Verify the version">
    Launch the Desktop app from the Start menu and verify that its version number is **1.2.0** by hovering over its system tray icon.
  </Step>

  <Step title="Check configuration">
    The previously installed Client ID, Secret, and data folder should have been automatically detected. If you are prompted for them again, refer to [Setup](/desktop/setup).
  </Step>

  <Step title="Authenticate">
    Individual users wishing to sign in should follow the instructions in [Authentication](/desktop/authentication).
  </Step>
</Steps>

## Clean install

<Steps>
  <Step title="Uninstall older versions">
    Uninstall any older versions of Denari Desktop using Windows **Add / Remove Programs**.
  </Step>

  <Step title="Clean reset (optional)">
    For a totally clean reset, consult your primary Denari administrator on how to remove the license file, local database, and upload files.
  </Step>

  <Step title="Download the installer">
    Download and run the [1.2.0 installer](https://arcari-native-production-bucket.s3.us-east-1.amazonaws.com/desktop/windows/amd64/Denari_Desktop_1.2.0_x64_en-US.msi).
  </Step>

  <Step title="Verify the version">
    Launch the Desktop app from the Start menu and verify that its version number is **1.2.0** by hovering over its system tray icon.
  </Step>

  <Step title="Complete setup">
    Follow the instructions in [Setup](/desktop/setup) to enter the Client ID, Secret, and select a data folder.
  </Step>

  <Step title="Restart services">
    Restart the two Denari Windows services using **Windows Services** to ensure they pick up the newly entered Client ID and Secret.
  </Step>
</Steps>