Clean roof and gutters. Reduce density of surrounding forest. Other improvements include improving driveway access and water supplies, having a fire-resistive roof, enclosing overhanging eaves and decks, spark arrestors on chimneys, etc. Ask your local fire department for advice. Talk with your neighbors about tools, equipment and other resources you could share in an emergency.
Early evacuation is the safest way to avoid injury or death.
Timing and other factors can vary so widely that each household needs its own specific plan, including options to cover anything that might happen. Normal and alternate escape routes. Locations of and routes to large areas with little or no vegetation or other fuels where family members can ride out the fire if it's too late to evacuate. Pre-arrange normal and alternate ways to stay in touch with family members, even if phones are out. Pre-connected to faucets.