Install an SSL Certificate

Use the following information on this page to install your SSL Certificate. Our SSL Certificates will work with any server, device, hosting account or application that supports the use of an SSL Certificate.

The following links will take you to the SSL Certificate installation instructions for various servers and control panels. The documentation is provided by our partners, click the relevant link below and it will open in a new window.

Apache, Mod SSL 🔗 Microsoft IIS 7.x  🔗
NGINX 🔗 Microsoft IIS 8.x  🔗
All Other Web Servers 🔗 Microsoft IIS 5.x & 6.x 🔗
Mozilla SSL Configuration Generator 🔗 Sectigo® SSL Installation Guides 🔗
Qualys SSL Server Test 🔗

SSL Certificates can be used in a variety of applications. If your server is not listed or you need additional information, refer to your server documentation or contact your server vendor.

Intermediate Certificates for Trustico® branded SSL Certificates issued after 24 May 2025 are available for download. More Information 🔗

About Installation Support

Due to the large amount of different web servers, control panels and uses for our products we do not offer dedicated installation support. However, feel free to Contact Us 🔗 via online e-mail or live chat and we'll attempt to help to the best of our abilities if you are experiencing a technical problem.

Visit our Premium Installation 🔗 page if you require us to install your SSL Certificate. Premium Installation is an additional service which must be purchased at the time of ordering.

More Resources

This document shows the new (in-use in 2024/2025) Sectigo® issuing CAs and hierarchies, including cross-certificates. Sectigo® CA Hierarchy 🔗

Our SSL Certificates work with any device that supports the use of an SSL Certificate. If you are experiencing any problems with ubiquity, it may be due to the installation of an incorrect intermediate or root. Older devices may not work with all intermediates, ensure you install the most relevant intermediates for your environment. Intermediate Certificate Information 🔗

Trustico® Blog Posts

  • Understanding the SSL/TLS Handshake Process

    Understanding the SSL/TLS Handshake Process

    The SSL/TLS handshake represents the initial negotiation phase between a client and server when establishing a secure connection. The SSL/TLS handshake consists of several distinct phases, each serving a specific...

    Understanding the SSL/TLS Handshake Process

    The SSL/TLS handshake represents the initial negotiation phase between a client and server when establishing a secure connection. The SSL/TLS handshake consists of several distinct phases, each serving a specific...

  • Certificate Authority (CA) Information

    Certificate Authority (CA) Information

    A Certificate Authority (CA) serves as a trusted third-party entity that issues, validates, and manages digital SSL Certificates that secure online communications and verify website identities.

    Certificate Authority (CA) Information

    A Certificate Authority (CA) serves as a trusted third-party entity that issues, validates, and manages digital SSL Certificates that secure online communications and verify website identities.

  • Code Signing vs SSL Certificates

    Code Signing vs SSL Certificates

    While both utilize X.509 Public Key Infrastructure, they serve distinctly different purposes in the cybersecurity ecosystem. The confusion between these two types is understandable, as both require Certificate Authorities (CAs)...

    Code Signing vs SSL Certificates

    While both utilize X.509 Public Key Infrastructure, they serve distinctly different purposes in the cybersecurity ecosystem. The confusion between these two types is understandable, as both require Certificate Authorities (CAs)...

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