Go to Resources > Groups and click on the folder icon.
For the Type, most often Static is used.
Name and description. Typically, the name will correspond to either the Environment the Resource participates in, the Component that uses the Resource Group, or a combination of both, for example SIT, DB, or SIT-DB. What description you give depends on how you intend to use the Resource to which this Group is assigned and such.
Once the Resource has been created, select the pencil icon to edit the Group.
Once you assign a Group to a Resource, you add Subresources. A subresource enables you to apply logical identifiers, or categories, within any given Group. During deployment configuration, you can Select a given Subresource that the Process will run on. To create a Subresource, select the New Resource Group creation.