Cubase 10.5 is a professional digital audio workstation (DAW) developed by Steinberg, a renowned company in the music production industry. This software is widely used by musicians, producers, and audio engineers for music creation, post-production, and live recording.

The short answer is: it's highly unlikely. Steinberg, the developer of Cubase, offers a free trial version of Cubase 10.5, but obtaining a free license activation code is not possible through official channels. However, there are some third-party websites and forums that claim to offer free license activation codes, but be cautious when using these sources, as they may be scams or pirated software.

That being said, if you're interested in learning more about Cubase or looking for legitimate ways to obtain or update your license, here are some general points: