If after setup Spell Checker does not appear in the Tools menu, try the following
- Try installing add-in as administrator. Setup needs to register COM components so it needs access to Local Machine registry key. You may want to save MSI file to disk first and then run it.
- Try registering component manually by running regsvr32 vsspellchecker.dll from the command line in the installation folder.
- Verify that Add-in appears in the registry. Here are screenshots of the VS 2005 add-in registration: