WoSign constantly strives to provide world-class customer service and support to our valued clients. WoSign Customer Service Center is your resource to finding answers to your questions. WoSign's web-based Customer Service Center is available to you at work time. Telephone support is available to Standard Support from Monday through Friday,8:30a to 6:00p. Expanded support offerings are available by SLA. We recommend clicking the right online help button to get instant help at our work time.

How to Buy

Buy Guide

CSR Generation

SSL Installation

Download technical support documents

Site Seal Installation

Microsoft Authenticode Signing Instruction

IIS 8.0 Centralized SSL Certificate Support: SSL Scalability and Manageability

Signing Android Applications

Report Code Signing Abuse/Misuse

WoSignCode.exe(Code Signing Tool)

Windows 7 shows the two-signature patch pack （X86 platform, X64 platform）

WoSign Trusted Root Information

WoSign Trusted Intermediate Information

WoSign Disuse Information

WoSign CPS and Subscriber Agreement (old root chain CPS)