Activate your GRE license from the command line (no internet)

Without internet access, you register the license with Four Js from another machine via the internet, or by phone. Then activate your GRE license using the greWrt command line tool.

The license must be installed but not yet activated.

Important:

If your installation directory is in the C:\Program Files path, you must run as administrator when you license the product. This avoids any permission issues.

From a machine that has internet access or a smart phone, go to the License your products page on the Four Js web site and follow the procedure described in Register your license.

With your license registered, you have the required keys.
Start the command line interface.
Open a command prompt.
- On Linux®/UNIX®/macOS™, open a command prompt. "sudo" may be required.
- On Windows®, open the Command Prompt from the Start menu .
At the command line enter the command to install the installation key:
```
greWrt -k installation-key
```
A message is displayed in the output to say the installation key was installed successfully.
At the command line enter the command to install the maintenance or subscription key:
```
greWrt -m key
```
A message is displayed in the output to say the license installation was successful.

License installation is now completed.