Remove and install door window
Remove the door trim panel.
Adjust the window regulator until the window retainer rests in the door cutout. Depending on the model, briefly fit the window crank or briefly plug in the multi-pin connector to the power window switch.

Unclip the window glass from the window regulator. To do so, unhook the plastic retainer - arrow - from the glass clip.

Partially pull off the outside and inside window seals.
Carefully guide the window upward out of the door channel.
To do so, lower the window slightly and tilt it forward.
Carefully lower the window glass into the door channel and clip it onto the window regulator retainer.
Install the window seal.
Run the window fully down and up and check that it moves smoothly.
Install the door trim panel.
Test yourself
A quick Fiat Bravo quiz: every answer comes with an explanation and a link to the manual page.