Instructions for SharePoint 2010 (With 2010 Interface)

  1. Navigate to the site in which you want to add a Wiki site.
  2. Click Site Actions → More Options.
  3. Scroll to the list of types and click Wiki Page Library.
  4. Enter a Name for the site and then choose More Options.
  5. wiki page.JPG

  6. Enter a description and choose whether to display library in the Quick Launch.
  7. Click Create.