1. After a wiki page has been created, you can view the page's history by clicking on the action link next to the wiki page's name. Click History from the menu.
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2. View a list of page versions and their authors on the Page History page. 
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3. Check the checkboxes of page versions and click Compare Versions to view page changes. 
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4. On the Page Comparison page, view details regarding changes that were made. Click Legend to understand how one version was changed in comparison to other versions of the wiki page.
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5. View the legend tab to understand the details of the various changes that were made.
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