Upgrading from a previous version

If you already have Rational® DOORS® installed on your system, the Rational DOORS installers will upgrade your system to 9.4.
Note: This section provides information on upgrading to Rational DOORS version 9.4. The upgrade conditions are similar for version 9.3; however, to read the previous instructions for upgrading to version 9.3, see the technote 1597215.

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