How can PAD be prevented?

It is worth knowing what the published guidance says about preventing peripheral artery disease before any symptom shows up.
What the guidance puts first
www.nhlbi.nih.gov says: To help you prevent PAD, your provider may talk to you about heart-healthy lifestyle changes and managing conditions that may lead to PAD.
The talk starts with your provider, so a checkup is the natural place to raise it. Two things are named there: lifestyle change aimed at the heart, and managing the conditions that can lead to PAD.
Pages that cover this further
The vascular disease overview from my.clevelandclinic.org shows the wider family of conditions. The NHLBI page on peripheral artery disease covers the condition itself.
Readers in Mokena and New Lenox can read either page.
The question to ask at your next visit
Ask which conditions in your own history could lead to PAD and what managing them would look like. A specific answer beats general advice.