Note: LightBurn software is bundled with our machines and is not sold separately. To purchase the software, please select it on the relevant machine page.All LightBurn software downloads are final unless canceled on the same day of purchase.The software includes 1 year of updates from the date of activation.The license key has an expiry date - a year from when you first activate it. When it "expires," it's still valid, you just don't get updates any more. If you download a version of the software released after your license expires, it won't work, but any version released before the key expired will continue to work.