How do I recharge with Orange Money?

How do I recharge my mobile or online account using Orange Money? Is there a specific process I need to follow, or can I simply make a payment through the Orange Money app? Are there any fees associated with Orange Money recharges, and if so, what are they? Can I recharge any amount I choose, or are there set denominations? Additionally, are there any special promotions or discounts available when using Orange Money for recharges? Lastly, what happens if I encounter any issues during the recharge process - is there customer support available to assist me?