To create a Microsoft Azure account, navigate to the Microsoft Azure website. You can use your Microsoft account to create an Azure account, or your GitHub account as well. The process is straightforward and takes several steps to complete. Choosing between a free account or a pay-as-you-go account is possible, with details on the available tiers present on Microsoft's website.
Refer to Microsoft's Create an Azure account tutorial, if a step-by-step guideline is required.