Search in your PC apps for Ableton Live 11 Intro
In the left panel click on "Drums"
The list of drum kits will appear - Drag the "909 Core Kit" into column number 1 labelled 1-Midi
Double click on the top "Cell" of the "909" Column and a keyboard should appear at the bottom of the app.
Click on the headphones icon and try adding some notes by double clicking on the sequencer grid.
You can adjust the length of your loop in the "clip" section on the left and you can adjust the tempo in the top left corner of the app.
Try:
Creating a few different drum patterns and different tempos
Using different drum kits to explore different drum sounds.