How do I upgrade old MSI installations?

EDIT:
As this topic was closed by @warkolm I cannot reply to his comment and must update.
So this means that noone in the entire world knows how to update an elastic instance on windows?

How do I upgrade an old v7 msi installation to newest Elasticsearch? With the msi installer it was easy to upgrade and the installations does not look excactly the same, so how do I update it?

Best regards
Rune

While I appreciate there is no answers on your original topic, please don't create duplicates on the same question :slight_smile: