With the task menu in the Task Details panel, you can accept the task the details of which you are viewing.
To accept a task:
1. Navigate to the Task Details panel.
2. Click in the upper right corner, and select Accept from the drop-down menu.
If the task was successfully accepted to you, a confirmation message is displayed; otherwise an error message is shown. The task will appear in your task inbox.
in the upper right corner, and select Accept from the drop-down menu.