First Responder Kit

Check

DECLARE @VersionOutput VARCHAR(30),

        @VersionDateOutput DATETIME;

EXEC sp_Blitz @Version = @VersionOutput OUTPUT,

                         @VersionDate = @VersionDateOutput OUTPUT,

                         @VersionCheckMode = 1; 

SELECT @VersionOutput AS Version,

       @VersionDateOutput AS VersionDate;

Install

Recommendation is to install the first responder kit in the Master database.

Install-Core-Blitz-No-Query-Store.sql

Recommended for SQL Versions lower than SQL2016

Install-Core-Blitz-With-Query-Store.sql

Recommended for SQL2016 and above

Install-All-Scripts.sql

Recommended if you have already installed the Ola Hallengren Maintenance Solution
Pros/Cons of FirstResponder kit in Master database (from 04:38)

Deinstall

Uninstall.sql

Usage

See the README.md file shipped in the FirstResponderKit.zip file for a good introduction. See the links in the Bibliography at the bottom of this page for further details.

Overall health check returning a prioritized list of issues.

Bibliography