The awning arms need to install in a vertical spot in order to clear a window or door .
If u have a slider window, i would try to have the awning cover the screened portion to limit light rain from entering the rv.
Scroll here to see the awning pic.
https://www.rvtrader.com/listing/2013-Thor+Motor+Coach-Majestic+19G-5027942920If u choose to buy an electric awning , you will be dealing with a motor, switch, fuse and wiring which can all fail. Learn how to by- pass or repair such so u don't get stuck with a deployed awning when trying to vacate a campsite.
Many elec awnings can be cranked back in using a hand drill and appropriate sized socket in the event of a motor failure.
If this seems too involved u can opt for a mechanical pull out awning minus those elec parts.
12v motors that are used in rv’s are usually not the best quality motors. You just need to know how to remedy a situation because it’s a tad difficult to drive with your awning out. :B
It’s common sense to retract the awning when you leave the rv for an extended period of time to go hiking or whatever. Storms with strong winds can appear fast with little warning, ripping off of the rv and causing expensive filon damage as well as trashing the awning.