Go into the folder of a site which contains the web content that you want to edit.

Select the web content by double-clicking it in the left tree or in the right pane. The detailed information of web content will be viewed in the right pane.

Click on the Action bar to show the form to edit the selected web content. This form is similar to that of creating a new document.

Make changes on current values in the fields of this form.

Complete editing the selected web content by clicking Save or Save & Close.