In the bucket list, click the bucket you want to operate. The Overview page is displayed.
In the Basic Information area, move the cursor over Disabled, Suspended, or Enabled next to Versioning. The Edit button is displayed next to the versioning status. Click Edit. The dialog box for editing the versioning status is displayed.
Select Enable. For details, see Figure 1.
Click OK to enable versioning for the bucket.
Click an object to go to the object details page. On the Versions tab, view all versions of the object.