Data Protector for Cloud Workloads can be licensed with a perpetual Capacity license or a subscription capacity license. Subscription periods are 12, 24, or 36 months.
No, Data Protector for Cloud Workloads can be installed and operated without having Data Protector installed.
The trial version is a full featured implementation of DP4CW. All features and capabilities are accessible.
Yes, Data Protector for Cloud Workloads requires a Linux environment for installation and operation. It will not run on a Windows system.
Product overview and full documentation can be found in the Practitioner Portal located here.