since Windows...8?
default local workspaces gonna be in:
c:\users\[username]\source
then Workspaces, if TFS,
c:\users\[username]\source\Workspaces\
repos if Git.
c:\users\[username]\source\repos\
Since VS...?2017?.... an Azure project must be given a "process", too. Pick from:
Basic, Agile, Scrum, or CMMI
(that's from: https://docs.microsoft.com/en-us/azure/devops/boards/work-items/guidance/choose-process?view=azure-devops&tabs=basic-process )