Link to issue number:

None

Summary of the issue:

There are no clear instructions for NVDA developers to test SAPI 4 synthesizers.
As SAPI 4 is no longer published by Microsoft, it requires research to set up and test SAPI 4 synthesizers with NVDA.

Description of user facing changes

Added notes for developers

Description of development approach

Followed instructions from this issue: #12152

Testing strategy:

Performed steps outlined in doc

Known issues with pull request:

None

Change log entries:

N/a

Code Review Checklist:

• Pull Request description:
  • description is up to date
  • change log entries
• Testing:
  • Unit tests
  • System (end to end) tests
  • Manual testing
• API is compatible with existing add-ons.
• Documentation:
  • User Documentation
  • Developer / Technical Documentation
  • Context sensitive help for GUI changes
• UX of all users considered:
  • Speech
  • Braille
  • Low Vision
  • Different web browsers
  • Localization in other languages / culture than English