: There are no subscription fees. A single key covers the current major version (e.g., Zorin OS 17 Pro) and all its point updates (17.1, 17.2, etc.).
No. You pay once. The "1 year of updates" means you only get guaranteed major version upgrades for one year. After that, your PC still works perfectly forever; you just need a new key if you want to jump from Zorin 17 to Zorin 18. zorin os pro key
Core and Lite are completely free, stable, and suitable for most users. Pro adds extras for convenience. : There are no subscription fees