Are you still wondering about the following questions?
- To Which Version of AOS should I upgrade to from my current version?
- Will it be 1-Click Upgrade or not?
- What are the EOL versions for AOS, Nutanix Files or Prism Central?
- What is my software compatibility?
Answer to above queries and many other queries is one single Link i.e. Upgrade Paths
Here are some snapshots from Tools: