A:AnswerYes, just have her follow the installation instructions (using her own Microsoft account). Upon purchase and delivery, you should receive an email from Best Buy with the aforementioned installation instructions.
A:AnswerI had to sign into my account the first time after installation & again after checking for updates. But since it resides on my Mac, I don't have to sign in anymore.
A:AnswerHi Maria,
Office 365, depending on the version, can be downloaded to a hard drive on a Windows / Mac PC so that you can use Office when not connected to the internet. By design though, 365 is primarily meant to run "in the cloud". The software can not be installed on a Chromebook but only on a Windows or Mac computer. You can however sign into your Microsoft Account using the web browser on your chromebook and use the 365 online version.