This is the best summary I could come up with:
The feature is not immediately accessible in any current Windows Insider build, however, enterprising users have ways and means to delve into the operating system and haul out experiments that are not yet ready to see the light of day.
A pop-up menu titled "Cowriter" is visible, with options to tweak the format and content of the text.
Microsoft has been hard at work ruining updating Notepad in recent years.
Its GUI was updated with the introduction of Dark Mode, and tab support turned up in 2023.
Something else could have been added to Notepad instead of AI but hey gotta ride the hype train."
AI in Notepad, as shown in the screenshots, does not seem to make much sense – we're sure the wise Register readership could think of something more appropriate for the editor.
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