Payments can be made through PayPal or by credit card or bank account PayPal is an easy way to send payments over the internet for free. You can use a credit card or bank account! It's fast, free and secure. Membership/signup is optional. It is not mandatory to register or provide your address. (Even supports international users) (What's PayPal? / 什麼是 PayPal?(中文)) Items v2 -> v3 (DB model) Licenses (Total) Purchase Upgrade Library .NET v2(Pro) to v3(Pro)(4-in-1) 1 Upgrade Library .NET v2(Pro)(4-in-1) to v3(Pro)(4-in-1) 1 Upgrade Library .NET v2(Pro) to v3(Pro) ----- Access Firebird MySQL SQLServer 1 Upgrade: One upgrade license covers one license of Library .NET. If you are upgrading and are ordering more than one upgrade license, be aware that you need to have an original license for each upgrade license. If this is the first time you order our products, please use the order form for new customers. License number can be accumulated, please contact (The same licenses can be added up together to reach a new accumulated license number.) 請參閱Reference: New features新特色(v3) | New License新授權