# Start Window

After starting **UDiTH**, you will see a list of projects together with additional information about them.

<img src="./media/image282.png" width="400" height="242">

1.  Language selection drop-down

2.  Project options

3.  Project file path

4.  Folder navigation

## Loading Models

To load a valid model, either click it in the list or enter a **file path** and click the **Stream** button in the lower-right corner.

Below is a list of the available interactive icons and their functions.

<table>
<tr><th>Button</th><th>Action</th></tr>
<tr><td>

<img src="./media/ButtonOpenLogs.png" width="44" height="44">

</td><td>

Shows the list of log files. You can open a log file and copy its contents to the clipboard.

</td></tr>
<tr><td>

<img src="./media/ButtonInvalidModel.png"  width="44" height="44">

</td><td>

The local model is invalid and can no longer be accessed.

</td></tr>
<tr><td>

<img src="./media/ButtonOutdatedModel.png"  width="44" height="44">

</td><td>

This local version is outdated and can no longer be accessed. You can set the expiration date of a model during model generation in **UDiTH Builder**.

</td></tr>
<tr><td>

<img src="./media/ButtonStream.png"  width="44" height="44">

</td><td>

Streams a model from the internet.

</td></tr>
<tr><td>

<img src="./media/ButtonDownload.png"  width="44" height="44">

</td><td>

Downloads a model to the local device, for example when taking a mobile device to a plant without an internet connection.

</td></tr>
<tr><td>

<img src="./media/ButtonQR.png"  width="44" height="44">

</td><td>

Opens the camera to scan a QR code.

</td></tr>
<tr><td>

<img src="./media/ButtonCopy2.png"  width="44" height="44">

</td><td>

Copies the file name to the input box.

</td></tr>
<tr><td>

<img src="./media/ButtonDelete.png"  width="44" height="44">

</td><td>

Deletes the local version.

</td></tr>
</table>

You can enter a custom file path, either local or online, in the field at the bottom of the screen and then stream or download the model.

<img src="./media/image19.png"  width="400" height="90">

> Please use UDiTH Webservices if you want to protect UDiTH models. Since UDiTH 7, Basic Authentication is no longer supported.

You can also **allow downloads** using the options provided in the **Generate output** settings of **UDiTH Builder**.

### Close Window

> If you click **Close** in the top-right corner or press **Alt + F4**, a confirmation message will appear to help prevent accidental closure of the program or loss of data.

<img src="./media/image21.png" width="223" height="113">