Installation and Upgrade Guide > Installing TDV, Studio, and Drivers > Overview of Installation Steps > Installation Overview for Existing Customers Upgrading from a Previous Release
 
Installation Overview for Existing Customers Upgrading from a Previous Release
To install a major upgrade for TDV
1. Review the new features and bug fixes as documented in the TDV and Business Directory Release Notes.
2. Review the information in the following topics:
— Installation Requirements and Support Information
— About TDV Software Patches
— Preparing Your System for Installation
3. Review and follow the steps in Upgrading from an Earlier Release and Migrating The Metadata.