Serial numbers are locked to specific operating systems; a Windows key will not validate on macOS. Product-Installer Mismatch:
Unlike modern Creative Cloud apps that require frequent internet connectivity to verify subscription status, the CS6 validation model was designed for the "connected-but-not-always" era. adobe indesign cs6 serial number validation
Uncheck this if you are making a single-sided flyer; keep it checked for magazines or books. Margins & Bleed: Set your margins (usually Serial numbers are locked to specific operating systems;
Adobe CS6 retail licenses allow . If you get this error, you must deactivate an old installation. adobe indesign cs6 serial number validation
: Log in to your Adobe account to confirm the serial number is registered to your ID. Offline Activation (When Online Fails)