Go to Sitecore Azure Environment File Setup and request a Sitecore Azure Environment file.
Sitecore will provide you with a signed environment file within two business days. While you are waiting:
Go to the Microsoft Download Center and download the Microsoft Azure SDK for .NET 2.7.1.
Ensure you have the following set of required tools:
To install the Microsoft Azure SDK 2.7.1, follow the installation instructions on the Microsoft Download Center.
Ensure your firewall allows outgoing connections to the Azure service management endpoint.