## License Update

### License Type

**NSR ECDIS NES-3000 software** is supplied with a **perpetual commercial software license**.

### When a License Update is Required

An ECDIS license update is required when:

- **Changes are made** to the ECDIS software manufacturer's licensing system
- **The hardware protection key** fails
- **Additional options** are purchased for the NSR ECDIS NES-3000 software

### Preparation for Update

To update an expired license or install a new license, you must **obtain the new license file** from the system supplier.

### License Installation Procedure

#### 1. Preparing the Medium
- **Write the new license file** to a USB medium formatted with {doc}`FAT32 </sections/general-information/removable-media-preparation/index>`

#### 2. Inserting the Medium
- **Insert the USB medium** into the ECDIS USB port

```{warning}
After inserting the USB medium, {doc}`perform mounting </sections/system-settings/media-devices/index>`).
```

#### 3. Automatic Installation
- **ECDIS will install** the license

```{note}
The license installation process occurs automatically when the license file is detected on the USB medium.
```
