320 x 180 on 1920 x 1080 window?

I want to make a game in 320 x 180. But i cant find a way to do it, without the window being 320 x 180, when looking online, some people mention scaling it, but ive got no idea how i would do that. So im wondering if anyone knows how to scale a game in 320 x 180 to 1920 x 1080.

Render all your game into a 320x180 render target, then scale the render target to any size you want

I just used this really helpful video to scale my window down to 480x320, and it does a great job.

So like mystic river is saying… You can draw your whole game to a scalable canvas, instead of drawing it to the screen… -Once you have your canvas painted, you can treat it as a SINGLE sprite and draw it to the SCREEN, where you can draw to any scale, as you would with any sprite… They are called render targets, because you render images to them as you would render to the screen, same exact thing… One line of code before each BEGIN call in your draw-method to specify what RT to draw to… When you are done drawing to it, you END your sprite-draw routine, switch back to drawing on the screen, and then call a new BEGIN and draw the render target in the place of a sprite texture… Render targets and textures are interchangeable in that regard.

This lets you scale and rotate and color EVERYTHING together, instead of each sprite one by one. Great for cam shake, fitting different screens, etc.

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idk if someone will ever use this, bu this is how i solved it