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

  • OpenSSL Quick Reference

    OpenSSL Quick Reference

    As a crucial component in the SSL Certificate lifecycle, OpenSSL provides system administrators and web developers with essential capabilities for generating private keys, creating Certificate Signing Requests (CSRs), and managing...

    OpenSSL Quick Reference

    As a crucial component in the SSL Certificate lifecycle, OpenSSL provides system administrators and web developers with essential capabilities for generating private keys, creating Certificate Signing Requests (CSRs), and managing...

  • Elliptic Curve Cryptography (ECC)

    Elliptic Curve Cryptography (ECC)

    Trustico® SSL Certificates utilizing ECC provide compliance with current security requirements while preparing organizations for future cryptographic needs.

    Elliptic Curve Cryptography (ECC)

    Trustico® SSL Certificates utilizing ECC provide compliance with current security requirements while preparing organizations for future cryptographic needs.

  • What is Server Name Indication (SNI)

    What is Server Name Indication (SNI)

    Before SNI emerged, web servers required dedicated IP addresses for each SSL Certificate installation. This traditional approach led to IP address exhaustion and increased hosting costs for organizations managing multiple...

    What is Server Name Indication (SNI)

    Before SNI emerged, web servers required dedicated IP addresses for each SSL Certificate installation. This traditional approach led to IP address exhaustion and increased hosting costs for organizations managing multiple...

1 3