1. Copy the .Dll and .Lex file for the language you want to add to c:Program FilesCommon FilesMicrosoft SharedProof

2. Add a registry hive pointing to the cossrect engine and lexicon for a specific language code:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftShared ToolsProofing ToolsSpelling2068]

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftShared ToolsProofing ToolsSpelling2068Normal]
“Dictionary”=”C:\PROGRA~1\COMMON~1\MICROS~1\Proof\NAME.LEX”
“Engine”=”C:\PROGRA~1\COMMON~1\MICROS~1\Proof\NAME.DLL”

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftShared ToolsProofing ToolsSpelling2068NormalClients]
@=”C:\PROGRA~1\COMMON~1\MICROS~1\Proof\NAME.DLL”