: Be aware that for very old versions (like Version 3 or 4), Rosetta Stone has discontinued the "Response Code" system for offline activation and may encourage moving to their current subscription model instead. 4. Deactivate Old Devices

If you have a code but it isn't working, it may be because you’ve reached your device limit.

If you purchased Rosetta Stone online, your activation code was likely sent via email.

: If you can still access the software on an old computer, go to Preferences > Add or Remove Languages and select Deactivate Products . This "releases" the license so it can be used on a new machine without needing a second code. Summary of Official Activation Links

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