Need to upgrade confluence and its database

[OMom2019]

Hi. Need to upgrade database to sql version 2017 and  windows server to 2019 (confluence to 7.4) version. Need step by step starting from database upgrade to conluence upgrade in details

[repi]

@OMom2019 

https://confluence.atlassian.com/doc/upgrading-confluence-4578.html

https://docs.microsoft.com/en-us/sql/database-engine/install-windows/upgrade-to-a-different-edition-of-sql-server-setup?view=sql-server-ver15

With both upgrades you should already know what you are doing.
In a productive instance, only someone with experience should do this.