How to Get top 1 row of each group in sql server?

;WITH cte AS
(
   SELECT *,
         ROW_NUMBER() OVER (PARTITION BY DocumentID ORDER BY DateCreated DESC) AS rn
   FROM DocumentStatusLogs
)
SELECT *
FROM cte
WHERE rn = 1

--or

;WITH cte AS
(
   SELECT *,
         ROW_NUMBER() OVER (PARTITION BY DynamicTextEnum ORDER BY Timestamp DESC) AS rn
   FROM DynamicText
)
SELECT *
FROM cte
WHERE rn = 1


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