Comment by yawgmoth

Adjust the height to the highest setting.

Put gas in it. If there's a soft rubber thing near the gas, hit it twice to provide some fuel but no more as you risk "flooding" the engine.

Hold down any handle at the top of the mower, often the thing will require you to manually hold it down during start and all operations.

Look for the starter pull. It's often on the right, on the motor or mower handles. It's a piece of plastic attached to a cable. Give it a yank with a full follow through. It doesn't have to be maximum effort but too gentle won't work either.