# License

The license file is located in:

`\Exaplan_Data\StreamingAssets\license.key`

It is based on a hardware key and is locked and valid for only one machine.

To generate a license file, you need to request the key file from VIOSO and provide the hardware ID of your machine to: [support@vioso.com](https://support.vioso.com).

### How to retrieve a machine hardware key for VIOSO licensing

When starting Exaplan for the first time after setup, you will get the following error message:

<figure><img src="/files/JNFTL6wbJY5STjXlHQRE" alt=""><figcaption></figcaption></figure>

You can retrieve the hardware ID in the clipboard by pressing keyboard buttons **CTRL + C.**

Then in notepad or email you can paste the content of the message:

```
License Error
---------------------------
License file not found!
Exaplan Version: 1.5.4
ID: 6bb8dc97a5ddef9c53a2364e8d65ad8730674741

Please contact support@vioso.com.

The application will now shutdown.
---------------------------
OK   
---------------------------

```


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