# License key installation
License key installation is done using Simplygon License Application, that is always installed by the installer in the (default) installation directory C:\Program Files\Simplygon\9\LicenseApplication.exe.

The License Application has a few different choices:
- Install Simplygon Title license - Select this option if you are installing a Simplygon Title license
 
- Install Simplygon Title Evaluation license - This option lets you sign up for an evaluation license, which is valid for 30 days.
 
- Install Simplygon Free license - By selecting this option, you may sign up for a completely free license. An MSA account is required.
 
- View installed license - View information about the currently installed license (if any)
 
# Install License key without using the UI
It is also possible to call Simplygon License Application from the console using the following input parameters.
- -ShowLicense 
 Show installed Simplygon license.
- -UpdateLicense 
 Update installed Simplygon license.
- -InstallLicense 
 Install Simplygon license.
