The Free subscription for SDL Machine Translation is only available to users that have a Trados Studio license in their SDL Account. It has to be either Trial (with license), Freelance or Professional.
* The Free trial version downloaded from the website doesn't include Language Cloud functionality
The Free subscription includes:
How to activate the free subscription in your Language Cloud account
1. Go to your Language Cloud account:follow this link https://languagecloud.sdl.com/translation-toolkit/login
2. Use your SDL Account - user (e-mail) and password
3. Go to the Subscription tab : https://languagecloud.sdl.com/translation-toolkit/#subscription
4. Select the "SDL Trados Studio" section of subscriptions and select the Free subscription