The answer to 'how to install weed control' is to use a combination of pre-emergent and post-emergent herbicides, along with physical removal and mulching. Pre-emergent herbicides are applied in early spring to prevent weed seeds from germinating, while post-emergent herbicides target existing weeds. Regularly pulling weeds by hand and applying a thick layer of mulch around plants can also help control weeds.
It's important to follow the instructions on the herbicide product carefully, including proper application rates and timing. You may also need to reapply herbicides several times throughout the growing season to maintain control. If you have a large or persistent weed problem, it's best to consult a professional landscaper who can assess your specific situation and recommend the most effective weed control methods.