Windows 7, Windows 8, Windows 10, or Windows Server equivalents (64-bit only).
SharePoint Designer 2010 is a 64-bit application that provides a comprehensive set of tools for designing, building, and customizing SharePoint sites. The application allows users to create and edit SharePoint sites, lists, libraries, and workflows using a variety of tools and features. With SharePoint Designer 2010, users can create custom workflows, design and implement data validation, and create custom Web Parts. microsoft sharepoint designer 2010 64-bit