Last updated: October 16, 2026. Applies to purchases made on or after October 17, 2026.
Every course has a free demo, so you can try the questions, explanations and features before you buy. Full access is delivered immediately after payment.
Purchases made before October 17, 2026 keep the 14-day refund period that applied when they were made.
By completing checkout you agree to receive the digital content immediately. Where the law of your country gives you a right to withdraw from a purchase of digital content, you acknowledge that this right ends once access is delivered, except as described above. This policy does not limit any other rights you have under the law of your place of residence.