Version Purchase Guide

This guide summarizes the purchase and authorization flow for Duli versions.

1. Apply for a Trial

1. Enter the trial application page.
2. Fill in company and contact information.
3. Read the related agreements.
4. Submit the application.
5. View trial environment configuration after approval.

2. Free Edition

1. Complete enterprise verification.
2. View the free edition order.
3. Fill in the server machine code.
4. Download or view the License after authorization is generated.

3. Purchase Enterprise Edition

1. Enter the enterprise edition purchase page.
2. Select the enterprise edition and purchase duration.
3. Confirm the contracting party.
4. Select a payment method.
5. Submit the order and complete payment.
6. Fill in the machine code.
7. Download the License after the order is completed.

4. VIP Edition Consultation

1. Review VIP service capabilities.
2. Contact customer service or business support.
3. Confirm the solution, quote, and implementation scope.
4. Complete follow-up activation after confirmation.

5. View Orders

• Unpaid orders can be paid or canceled according to the page status.
• Paid orders can be used to view authorization and follow-up documents.
• Timed-out orders should be recreated if they are no longer payable.

6. Download Contract

Complete enterprise verification before downloading contracts when required by the purchase process.

7. Request Invoice

1. Select the invoice type.
2. Fill in invoice information.
3. Submit the invoice request.
4. View the invoicing result.

8. Renewal and Upgrade

• Renewal extends the service period.
• Upgrade changes version capability, user count, or service scope.

9. Common Questions

What if the payment QR code expires?

Refresh the order or create a new order according to the page prompt.

Why can I not download the License after payment?

Confirm order status, enterprise verification, machine code, and License generation status.

Why is enterprise verification required before contract download?

Contract and invoice information must match the verified enterprise identity.

Why can invoice information not be changed?

Invoice information usually follows the submitted or verified enterprise information. Contact business support if it must be corrected.

What if a bank transfer order status does not change?

Provide transfer proof and order information to customer service or business support.

Related Links

• Apply for License Authorization
• Expand Authorized Users
• Activation Failed After Deployment