So, I get laptop which have Manjaro Xfce pre-installed. I decided to install Zorin OS cause I use it for few months on my previous laptop. I installed Zorin Core iso image and boot it on my usb with rufus. Then I tried to install it on my laptop and it doesn’t work. What I need to do? (Sorry for my …

I don’t typically change boot order when installing a new OS. I just repeatedly press F12 (or whatever the proper key is to select boot options) and select “USB Device” or whatever.