1. Click 
at the right corner of toolbar, or select File --> Restore To Version from the top menu.
2. Click Yes in the confirmation message to restore to the version.
Note
The Restore version command is disabled, if the latest version is displayed.
1. Click at the right corner of toolbar, or select File --> Restore To Version from the top menu.
2. Click Yes in the confirmation message to restore to the version.
The Restore version command is disabled, if the latest version is displayed.