A family of Microsoft word processing software products for creating web, email, and print documents.
I don't believe you have to have a touch screen to enable Touch mode (see https://support.office.com/en-us/article/turn-touch-mode-on-or-off-90e162b1-44f9-434f-bc2b-9321c989ea6e), but it seems to have been introduced in Office 2013, so I guess it's irrelevant.