Help Center
Technical help
Pages, video, PDFs, progress and checkout — the short fixes first.
- A course lesson won't loadRefresh, re-sign-in, then try another browser.
- Why can't I download a PDF?Usually a blocked pop-up or a locked resource.
- A page isn't loadingThe five-step fix that resolves nearly everything.
- A video isn't playingUsually a blocker, low bandwidth, or data-saver mode.
- A PDF won't openDownload it first, then open it in a real PDF reader.
- My progress isn't savingProgress only saves while you're signed in.
- I can't see something I purchasedCheck the receipt email first — it names the account.
- Checkout didn't completeCheck whether you were actually charged before trying again.
If the answer isn't here, we'd genuinely rather you wrote to us than gave up.
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