Downloading InfluxDB is as simple as going to the downloads page and clicking the InfluxDB download link as shown below (at the time of writing this was for version 1.7.2).
The web query tool is a quick way to query data stored in your InfluxDb databases. Simply click on the Query Tool tab on the sidebar to bring up the Database Query Tool page. Select which database to query in the dropdown menu. In this example we will select “USE: testrobot1_testdb”.