1. Disconnect your computer from Internet (or block firewall)
2. Use this serial initially : A209F-X00-F4R7-80H6-J3
3. ... to get past all registration stages.
4. When setup software asks, choose options "Activate Now" and then "Manual Activation"
5. Now use this serial to activate :A109A-K13-3ZXD-BAP5-TE
6. Use MSCONFIG.exe to deactivate SSBkgdupdate and ISUSPM at windows startup (prevents regular registration nags and activation key blocking via online check)
7. Never use the program option 'Help - Check for Updates' while online, as the blacklisted activation key will be blocked, freezing the software.
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Final tip, to get a multilingual interface on the installation procedure:
once downloaded files are extracted from RAR into one directory, modify the file 'setup.ini' by going to the [Languages] section and changing count=1 to count=6. You will then be given a choice of languages on installation.
(Note however that the activation dialog at the end of the installation may still be in the default language)
Also, after installation, if you want to change the software default interface language, go to:
C:\Documents and Settings\All Users\Application Data\Nuance\NaturallySpeaking9\nssystem.ini
at [Settings] change the "2" in 'Default Language and Dialect=2,1' to: "1" for english; "2" for french; "4" for german; "7" for dutch.
So, for the french default interface you'd have: Default Language and Dialect=2,1
So, for the english default interface you'd have: Default Language and Dialect=1,1