If you are a windows user (W10 pref). Then you can d/load and use this free DAW https://www.bandlab.com/products/cakewalk
It’s more than capable of covering what you would like to do. And includes free instruments and effects.
Then you can d/load Decent Sampler (which runs within Cakewalk), and run many of the free Decent Sampler instruments available here on Pianobook