Mastercam language packs are technically free for users with a valid license, but they are not provided as open "public" downloads. You must typically access them through an official MyMastercam account that is linked to your specific software assets. How to Access Official Language Packs
MyMastercam Portal: Registered users with an active license (Industrial or Educational) can access specialized downloads, including localized updates, by logging into their account on the official Mastercam website.
Free Mastercam Language Packs
Mastercam Tech Exchange: Many official downloads are hosted in the Communities tab of the Mastercam Tech Exchange.
serve as a repository of knowledge where users share advice on how to manually swap language resource files (DLLs). Resource DLLs: mastercam language packs free
The good news? You usually don’t need to buy anything extra. Here is your guide to finding and installing Mastercam language packs for free.
(the free trial version), you can select your preferred language during the initial setup. Official Downloads Page Mastercam language packs are technically free for users
Cost: Included with Maintenance/Subscription. Source: Mastercam.com (Downloads Portal).