Go to your preferred package on Appsally.com, choose the package options, and click Add to Cart. After that, fill in the billing details, choose your payment method, and click place order.
Please refer "How to buy ... in the service description for more details. Each service may have different requirements to order. Generally, after you have made payment, you will be given access to a dashboard where you can provide us the necessary information as required so we can process your order. If the service require further process after that, we will follow up via email accordingly.