Step 12: Select the web address. Use the Link button (Insert tab | Links group) to convert the web address to a hyperlink. Make sure you use www. before your web address in the address box in publisher

To complete Step 12 in Microsoft Publisher:

1. Select the text or image that you want to convert into a hyperlink.
2. Go to the "Insert" tab in the ribbon.
3. In the "Links" group, click on the "Link" button.
4. The "Insert Hyperlink" dialog box will appear.
5. In the "Address" box, enter the web address you want to link to. Make sure to include "www." before the web address.
6. Click "OK" to apply the hyperlink to the selected text or image.

Now, the web address has been converted to a hyperlink in your Microsoft Publisher document.