The new ROSA wizard design will require some microcopy review, mostly in the first step and the new fields. steps 2-5 are pretty similar to the OSD wizard.

Tooltips: "AWS Account", STS Role ARN, External ID, Support role ARN, PrivateLInk text

Errors and info messages text: Marked on mockups

general explanations and texts. 

Mockups: https://marvelapp.com/prototype/2c7hh33g/screen/83354422