Install or update the maintenance key (GRE) with greWrt (via internet)

You can install or update the maintenance key of your your Genero Report Engine (GRE) product using the command, greWrt -m auto. During installation the maintenance key is retrieved from Four Js via the internet.

Before you begin: You must have internet access to automatically install the maintenance key.

At the command line enter the command:
```
greWrt -m auto  
```
When prompted, enter your customer code:
```
Enter your customer code > 
```
At the following prompt:
```
Do you need to configure an HTTP proxy ? (y/n)
```
Enter y if your access to the internet is through a proxy. Provide the required information for HTTP proxy, Port, and authentication when prompted. Otherwise, enter n.
The maintenance key is then retrieved from the Four Js Activation server and a message is displayed:
```
Maintenance key installation successful.
```