1. Create a regular content element and open the Text tab
2. In the RTE, click the  button
3. In the Insert Table dialog, enter a Caption if desired.
4. Adjust the table rows/columns counts, if desired
5. You can adjust table properties with the Table Properties button
6. Click OK
7. (Optional) Select the table style using the Styles button at the top-left of the editor

This is a mostly default table (Header cells on left)

Basic table:

Border Row Table

Striped Table

Hover Row Table

Multiple selections

All classes in the table are mutually exclusive. This means that for table-wide styling, you may choose only ONE table style at a time.