i have try a lot in paint to get my image a DPI off 300 but i can not found how to.
its for the printing office that need a resolutie off 300 DPI.
its a PNG file
a dimensions on 645 X 171 and it's 172KB
i get now the information
This image has low resolution. This can result in a low print quality.
We advise you to change the resolution to 300 DPI to increase your file and upload again.