Developer Docs - Developer Codex - SQL Database Recommended Settings
In order to complete this, all connections to [YOUR_DB_NAME] need to be closed.
Run the query ALTER DATABASE [YOUR_DB_NAME] SET READ_COMMITTED_SNAPSHOT OFF
or you can use SQL Server Management Studio to update your settings:
Setting Read Committed Snapshot On to FALSE in SSMS
For further technical reading, https://sqlperformance.com/2014/05/t-sql-queries/read-committed-snapshot-isolation.