Guidance on a new computer

Factual Questions
13

  1. My little Chromebook is past it’s best before date and no longer updating. I wanted security for doing my banking, and I was losing functionality for certain things. See here: So, my Acer Chrombook is expiring

  2. For personal and professional reasons I need to use MS 360 suite, for full compatibility.

  3. What other options? I only know about Mac, Windows and Chromebook.

Put simply, I am a techno-peasant and just want a computer that I can use with my limited computer skills. I don’t know what’s under the hood (or bonnet) , so to speak. (Which is equally applicable to cars. If it gets me where I want to go, I’m good.)