A:AnswerNo it would not. Revit minimum requirements are 8GB of ram. Here is a link to the specs:
https://knowledge.autodesk.com/support/revit-products/troubleshooting/caas/sfdcarticles/sfdcarticles/System-requirements-for-Autodesk-Revit-2020-products.html
A:AnswerYes, this is a good choice for working from home, when there isn't too much multitasking involved or you are remotely logging in to a work computer.
A:AnswerYes, the Geek Squad at Best Buy does provide computer setup services. I would recommend reaching out to the Geek Squad: 1-800-433-5778 or https://www.bestbuy.com/site/services/geek-squad/pcmcat138100050018.c?id=pcmcat138100050018
A:AnswerMicrosoft what? The laptop is Windows 10S so it is a Microsoft product. If you are talking about Microsoft Office Suite then there is a trial you can do for Office 365