When you purchase a license, you receive a key valid for a specific major version (e.g., v8.x) or for all updates within a support period .
| Genuine Key | Cracked / Fake Key | |--------------|--------------------| | Begins with TS- followed by 20 alphanumeric chars | Contains random words like "TEAM" or "CRACKED" | | Works with official installer from jam-software.com | Requires a "patch" or "loader" | | Activates online without disabling firewall | Asks you to block TreeSize in firewall | | Shows your name/company in About dialog | Shows "Trial" or "Expired" despite key entry | treesize license key upd