Step 1: Drag on a "Content Block" widget or start editing a "Rich Content" field inside of a module and bring it into "Edit" mode.
Note: If you are editing "Rich Content" inside a module input it is already in Edit mode.
Step 2: Format your text.

Bolding: To bold text, highlight the text and then select the Bold icon (1st arrow in the above screenshot)
Italicizing: To Italicize text, highlight the text you wish to change and click the Italicize icon (the second arrow in the above screenshot).
Aligning Text: To adjust the alignment of text, highlight the text and then select one of the four alignment icons (the third arrow in the above screenshot).
Numbered List: To create numbered lists, select the Numbered List icon (4th arrow in the above screenshot) and start typing. Each time you hit the <ENTER> key, a new numbered list item will be created.
Bullet List: To bold text, highlight the text and then select the Bullet List icon (5th arrow in the above screenshot) and start typing. Each time you hit the <ENTER> key, a new bullet list item will be created.
Headings: Your website will have built-in styles for headings (h1 to h5). To apply these styles, highlight the text you wish to change. Click on the "Paragraph Style" drop-down menu and choose the heading style that you want.

Step 3: Save your Content Block
Save the Content Block by clicking the Save button.
Note: This step is not required if you are editing rich content within a module.
Step 4a: Status the Page.
Note: To view the page prior to publishing you can use the preview feature. This will show exactly how the page will look once published. To preview a page click the Preview button.
Step 4b: Status the Content.
Using the status bar, make the page live on your website by clicking the Publish button.

Note: To view the content prior to publishing you can use the preview feature. This will show exactly how the content will look once published. To preview click the Preview button (Content must be statused as draft prior to previewing).