Customers can contact Microsoft technical support either by phone or by using the online chat service on Microsoft's website. The method of communication depends on the Microsoft product and the customer's preferences. For some services, Microsoft can call the customer back as soon as possible or at a scheduled time.
As Microsoft has a wide selection of hardware and software products, a customer must first identify the Microsoft product with which he needs technical support. The website returns more specific instructions once the customer has identified the issue. For instance, whereas chat support is available for installation issues related to Windows 10, only phone support is available for Microsoft Store technical support as of 2015.