1.1. Choose the product you like on the main page https://genshin.sale/
1.2. Click the Buy Product button, In the window that opens, you need to specify the number of purchased goods and your email address.
1.3. Choose a payment method, after successful payment you will receive your product in a text document, or to the specified Email.
1.4. Learn more on the page How to buy accanut Genshin