Do the courses unlock as you complete them, or are there some that are always locked for free users?
Question about free and paid version..
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Alex Vypirailenko Java Developer at Toshiba Global Comme
2 August 2019, 09:00
A subscription is required after Level 1, in order to be able to continue your progress in the course. You will be able to open new lessons until you run out of the "dark matter", but tasks will be locked without a subscription.