SharePoint 2010 Foundation
SharePoint 2010 Standard Edition
SharePoint 2010 Enterprise Edition
Office 365 (SharePoint Online)
You will need a SharePoint 2010 Team Site or any other SharePoint site to which a tasks list has been added.
Open your Team Site. Select the Tasks link from the quick-launch menu.
A list of the current tasks for the Team Site is displayed.
In the Tasks—New Item dialog box, enter the details for the task. To assign the task to another user, type their name in the Assigned To field or click on the book icon to browse to and select them.
Click on Save to create the task.