Using the Edit configuration option, you can use the group configuration wizard to update your Elastigroup settings. This is the same Wizard used while first creating the group.
This is a great option to quickly update the AMI, Strategy and updating Scaling rules.
To learn more about each field and how to set up an Elastigroup please see: https://cs-spotinst.zendesk.com/hc/en-us/articles/115002016049-Part-1-Console-Overview-
Please note not all settings can be modified. If on of the following is a setting you wish to change you can simply export the group configuration and create a new Elastigroup.
Region - The region of the elastigroup
Capacity Unit - A part of the Strategy Tab - specifying if the group will have a target set as a number of instances or a weighted vCPU count.
VPC - The network VPC set up in the group
Product - The type of the product used in the group (Windows, Linux/UNIX)