You can access the previous version of a page using CRXDE Lite:

1. Login to CRXDE Lite.
2. Move to the page for which you created versions.
   It would be present in the /content folder.
3. Examine the jcr:content node of the page.
4. Click the value of the jcr:versionHistory property.
   It will take you to the node that has all the versions you created.