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

  • Enabling OCSP Stapling on Your Server

    Enabling OCSP Stapling on Your Server

    Online SSL Certificate Status Protocol (OCSP) stapling, technically known as TLS Certificate Status Request extension, addresses the traditional performance challenges associated with SSL Certificate validation.

    Enabling OCSP Stapling on Your Server

    Online SSL Certificate Status Protocol (OCSP) stapling, technically known as TLS Certificate Status Request extension, addresses the traditional performance challenges associated with SSL Certificate validation.

  • Private Key Information

    Private Key Information

    For website owners and system administrators, understanding private keys is essential for properly implementing and managing SSL Certificates. A private key works in conjunction with your SSL Certificate to establish...

    Private Key Information

    For website owners and system administrators, understanding private keys is essential for properly implementing and managing SSL Certificates. A private key works in conjunction with your SSL Certificate to establish...

  • Understanding Base64 Encoding

    Understanding Base64 Encoding

    Base64 is an encoding scheme that converts binary data into a set of 64 different ASCII characters. While Base64 encoding provides a reliable way to transmit binary data, it is...

    Understanding Base64 Encoding

    Base64 is an encoding scheme that converts binary data into a set of 64 different ASCII characters. While Base64 encoding provides a reliable way to transmit binary data, it is...

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