Write SQL query to solve given problem: What is the number of installments of the app with the highest total Sentiment polarity score?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.Installs FROM playstore AS T1 INNER JOIN user_reviews AS T2 ON T1.App = T2.App GROUP BY T1.App ORDER BY SUM(T2.Sentiment_Polarity) DESC LIMIT 1