First of all, your license will never expire, you may use the product as long as you wish.
After purchasing you will be able to get for free all updates during a major version. For example, you have purchased the version 5.3.
Therefore, you'll are able to get for free all versions 5.0, 5,1... 5.X.
Usually we are releasing new major versions every 1.5 - 2 years. We respect our customers,
if you purchased the latest version and after a month we release a new major version, youвЂ™ll get the key for it as a gift for free.
The update from a one major version to another major costs the standard price with 40% discount.
Let us say, you have purchased the license "Individual Developer" and after N years you want to get a newest version. Therefore,
a new update will cost for you: "Individual Developer" - 40% discount.
Next you will be able to get all updates again for free during the major version.