Select Text from the Curve toolbar or from the Other Methods section of the Curve Wizard.
Type the text string as the Text.
Optionally type in a new name for the curve that will be created from the text as the Curve Name.
Select Circular as the path type.
Type in the X, Y and Z coordinates of the circle
Center or click the pick point 
button and pick it with the
mouse.
Enter the Radius of the circle.
To rotate the text counter clockwise around the Location point, enter an Angle between 0 and 360.
To create text on the bottom quadrants of the circle, enter the appropriate angle and click Reverse.
Click the font button to select the font. Any Windows font on you system will be available. For simple engraving, the font, Machine Tool SanSarif is recommended. It is recommended that you set the font size to be 72 points. This will allow you to easily control the size using the scaling fields. See Common text fields for more information.
Optionally fill in the Common text fields
Click OK.