Hello Jim,
Where did you download the template from? The most uptodate version is on Joomlage.com.
Here is the correct link to the install guide -
DesignCanvas Install Guide
POSSIBLE SOLUTION TO YOUR ISSUE
1: In your joomla administration goto Extensions >> Extensions Manager.
2: Click on Discover. Hit the discover icon to the right of your screen. You now may see the template listed. If so then click the install icon to the right of your screen. The template should now be visible in your template manager.
Thanks,
JohnO