Expand Preface
 Document Revision History
Expand About This Guide
Expand Preparing for the Upgrade
Collapse Upgrade Instructions
    Step 1. Upgrading to Parallels Pro Control Panel 10.3.1
    Step 2. Upgrading the Online Help
    Step 3. Verifying That the Upgrade Succeeded
Expand Post-upgrade Tasks
 Rolling back to Parallels Pro Control Panel 10.3.1