Create a workspace to store all test cases.
Open Last-Hit application, or start it by
Got start page,
Create New Workspace button, get workspace initializing page, fill the name and location,
Workspace root folder should be an empty folder.
Create button, workspace folder will be created when not exists, and then open the workspace,
Once a workspace was created, it can be picked on workspace list or found on file system.
Workspace can be removed from list when it's not needed.
Now we have the workspace, and a story is needed.
Story is just like test suite, to store a set of flows.
Let's goto next step, create a story