Hello, I have the following machines to mine on:

1x Windows 10, latest versions of Chrome/Firefox/IE/Edge/Opera/Brave
- i5 2500k, 8GB RAM, GTX 1080

2x MacOS 10.13.2, latest versions of Chrome/Firefox/Safari/Opera/Brave
- these are a couple older macbook pros with just the onboard graphics

1x Android 8.1, (Google Pixel), latest versions of Chrome/Firefox/UC Browser

I work in software QA so am diligent about keeping my stuff up to date. Also comfortable with installing beta OSes and browser versions for future-proof testing, I am in the MS/Apple/Android dev channels.