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this is an example
1) click on auto route and deactivate the top layer (select N/A) then click ok
2) if there is un routed wires click in manual route (route) and move with the bottom track till reach to the tracks u want to jump then change the layer to the top layer through the top selector of the page beside the grid icon.
if u have any question, i wish to help u
Don't autoroute. The example shown can easily be routed manually without using the top side of the PCB. You will learn a lot more about component placement (which is critical for good layouts) if you manually route.
The component placement is poor. For example, R4 connects between pins 1 and 7&16 of the IC so it should be near pins 1&16 or 1&7. Placement should always be done to minimise track length and crossovers.
It is just an example and it is not represent actual circuit, and i know also that i can have a bottom track instead of the top jumper
but, he wants to know that. So, i made that simple example.