|Desktop iCalendar Help|
To sync with Google Tasks, just follow steps below:
Right click the calendar window
Select Manage Calendars...
Click New... button
Select Google Tasks, and click Next button
Follow the instructions of the wizard to add Google Tasks.
You can add, edit, and delete the tasks in the task window. Changes will be upload to your Google account automatically.
Desktop iCalendar also supports subtasks for Google Tasks. You can drag&drop a task to make it a child of another task. You can also drag&drop tasks to rearrange orders of the list. All changes will be uploaded to your Google account automatically.