Trung tâm trợ giúp

To create an account, click the "Register" or "Sign Up" button in the top right corner of the page. Fill in your name, email address, and choose a secure password. After submitting the form, check your email for a verification link to activate your account.

Click the "Forgot Password?" link on the login page. Enter your email address, and we'll send you a password reset link. Follow the instructions in the email to create a new password. If you don't receive the email, check your spam folder or contact support.

Yes! Go to your Account Settings and look for the Email section. Enter your new email address and verify it by clicking the confirmation link sent to the new address.

Browse our course catalog and click on a course that interests you. On the course page, click the "Enroll" button. Some courses are free, while others may require payment. Once enrolled, you'll find the course in your Dashboard.

For most courses, you'll have continued access to materials even after the course end date. However, some interactive features like discussion forums may be archived. Check the specific course details for information about access duration.

Many of our courses offer certificates upon completion. You'll need to complete all required assignments and meet the passing criteria. Certificates can be downloaded from your course progress page and shared on your professional profiles.

Try these troubleshooting steps:

• Refresh your browser page
• Clear your browser cache and cookies
• Try a different browser (Chrome, Firefox, Safari, Edge)
• Check your internet connection speed
• Disable browser extensions that might block videos
• Make sure your browser is up to date

If problems persist, contact our technical support team with details about your device, browser, and the error message you're seeing.

We support the latest versions of:

• Google Chrome
• Mozilla Firefox
• Safari (macOS and iOS)
• Microsoft Edge

For the best experience, we recommend using the latest version of Chrome or Firefox.

We accept major credit cards (Visa, MasterCard, American Express), PayPal, and other regional payment methods depending on your location. All payments are processed securely through our payment partners.

We offer refunds within 14 days of purchase if you haven't completed more than 30% of the course. To request a refund, visit your course dashboard and select "Request Refund" or contact our support team. Please review our full Terms of Service for complete refund policy details.