Canvas custom resizing creates a super narrow canvas, how do I customize the canvas size?

[AppMan]

Here is a screenshot. I need the image I am making to be of this size 320X3840 px. Its for Google Play Store. I can't figure it out. I used to run Adobe Illustrator but it won't run on my Windows 11. So I really need this to work. The image needs to be this size and will include text. So do I just resize the image and text ?

The white strip is my Canvas which is unworkable.

[toe_head2001]

Are you sure Google has provided you with the correct dimensions?

Just look at those numbers... of course 320 X 3840 px is going to be super narrow.

[AppMan]

Sadly yes, its for Tablets here is some screenshots of the requirements. I have been stuck at this for 6 months longer than it took to make the app.

[AppMan]

Also, it all has to be done all at once it won't save until I have done them all to their specifications? 

[toe_head2001]

Quote

... with each side 320 px and 3,840 px ...

 

Those aren't the two dimensions. Those are size ranges; any size between 320 and 3,840 px.

The important thing is to get the aspect ratio correct. 16:9 or 9:16.