The fuse for the left side windows is located in the underhood fuse box, which is located on the driver's side of the engine compartment near the battery. The fuse for the right side windows is located in the interior fuse box, which is located under the dashboard on the driver's side.
The fuses for the power windows are both rated at 20 amps. If either of these fuses blows, it will cause the power windows on the respective side of the vehicle to stop working.