I’d like to send a text message to a colleague’s cell phone. I’m wondering if there’s a way to do it from win10. I’ve tried searching but it is all very confusing.  Some seemed to use skype to send a message, some could only send to android phones [and I have no idea what kind of phone my colleague has — that seems to make no difference when I text him from my cell].
Is there some way to run something on win10, give it a phone # and have it send a text message to that phone?