Original: How to revert Manual method Go to the top of the page in question, click on the "history" or "page history" (in some skins) tab; then, click on the "time and date" of the earlier version, to which you wish to revert.
Simplified: Reverting To revert to an older version: Go to the page, click on "history", and click on the time and date of the earlier version you want to revert to.