Powerstudio.app is a very exciting site for those who want to build flows on a large scale and track them. With the free version, a lot is already possible. In the premium version you can also restore flow versions. (You have a version history here)
!!! UPDATE 08.2022: Besides this solution I show in the blogpost ‘How to restore (and create) a backup from a flow‘ what free options are available.
You can see this video here on my blog because I have rated this video with 5 stars in my Youtube video library. This video was automatically posted using PowerAutomate.
Marcel Lehmann 
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