If you are a member, you have a major advantage. Members get 24/7/365 Geek Squad® tech support for any device, regardless of where or when it was purchased. This covers remote troubleshooting for software, OS installs, and device setups. Store Support vs. Remote Support
Best Buy offers different levels of support depending on how you choose to connect. While the website is always "open," live human help has specific windows.
Modern Best Buy stores typically do not take direct phone calls. If you call a local number, you will likely be routed to a national call center for assistance.