Select all the text with the Selection tool (V). Near the bottom of the Toolbox, click on the Stroke option to make it active. Go under the Window menu and choose Swatches to open the Swatches panel. Then select the blue swatch in the Swatches panel, as shown here, to set the stroke color. Set the Stroke size to 5 pt in the Control panel. Now simply set the Fill color to white.