To activate your license: 

1.In the Post Installer, on the Welcome page, click Next.

The Product Activation page opens.

2.When prompted for a license key. you have two options:

•Activate Offline: Contact Customer Service for an activation key.

•Activate Online: Sign in to your ArcGIS Online organization associated with your VertiGIS Studio Web license. If your organization already has a license, activation completes automatically. If your organization does not have a license, you are asked if you would like to submit a request for a trial license.

VertiGIS Studio Web comes with a 60-day trial license. To continue using Web after the trial period, the product must be activated with a valid license.

After the product key is activated, the status changes to show that the product is Licensed and the SKUs for this product display.

3.Click Next.

 The IIS Settings page opens.