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 🔗

Configure Your SSL Certificate Trust Seal

How to Find Your SSL Certificate Private Key

How to Find Your SSL Certificate Private Key

Private keys are generated simultaneously when you create a Certificate Signing Request (CSR) for your Trustico® SSL Certificate. This process creates a mathematically linked pair consisting of a public key...

How to Find Your SSL Certificate Private Key

Private keys are generated simultaneously when you create a Certificate Signing Request (CSR) for your Trustico® SSL Certificate. This process creates a mathematically linked pair consisting of a public key...

How To Stop “Secure And Nonsecure Items” Warning On Your Site?

How To Stop “Secure And Nonsecure Items” Warnin...

Mixed content warnings occur when a secure Hypertext Transfer Protocol Secure (HTTPS) page includes elements loaded over unsecured Hypertext Transfer Protocol (HTTP) connections.

How To Stop “Secure And Nonsecure Items” Warnin...

Mixed content warnings occur when a secure Hypertext Transfer Protocol Secure (HTTPS) page includes elements loaded over unsecured Hypertext Transfer Protocol (HTTP) connections.

How to Secure API Endpoints with Transport Layer Security (TLS) and SSL Certificates

How to Secure API Endpoints with Transport Laye...

Understanding how to properly implement SSL Certificates for API endpoint protection helps organizations build robust security architectures.

How to Secure API Endpoints with Transport Laye...

Understanding how to properly implement SSL Certificates for API endpoint protection helps organizations build robust security architectures.

Understanding Application-Layer Protocol Negotiation (ALPN) in the SSL/TLS Handshake

Understanding Application-Layer Protocol Negoti...

Application-Layer Protocol Negotiation (ALPN) is the Transport Layer Security (TLS) extension that makes this protocol selection possible during the SSL/TLS handshake.

Understanding Application-Layer Protocol Negoti...

Application-Layer Protocol Negotiation (ALPN) is the Transport Layer Security (TLS) extension that makes this protocol selection possible during the SSL/TLS handshake.

Can You Get SSL Certificates for Internal IP Addresses and Internal Server Names?

Can You Get SSL Certificates for Internal IP Ad...

Public Certificate Authorities (CAs) operate under strict industry regulations that prohibit issuing SSL Certificates for private IP address ranges and internal hostnames.

Can You Get SSL Certificates for Internal IP Ad...

Public Certificate Authorities (CAs) operate under strict industry regulations that prohibit issuing SSL Certificates for private IP address ranges and internal hostnames.

Securing Your Online Store with SSL Certificates

Securing Your Online Store with SSL Certificates

Trustico® provides the SSL Certificate solutions that online retailers need to establish secure connections, protect customer data, and build the trust that drives conversions.

Securing Your Online Store with SSL Certificates

Trustico® provides the SSL Certificate solutions that online retailers need to establish secure connections, protect customer data, and build the trust that drives conversions.

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