Yes, CrystalTech does allow customers to install SSL certificates on their hosted websites. SSL certificates are crucial for securing the connection between a user's browser and your website, which helps protect sensitive information transmitted online. If you choose to obtain an SSL certificate from a third-party provider, CrystalTech typically provides the necessary tools to upload and install it on your hosting account. Additionally, CrystalTech may offer their own SSL certificate options, which might simplify the process for customers. It is advisable to explore the current web page for detailed instructions and any specific requirements related to installing SSL certificates, as well as for information on customer support for any questions you may have regarding this process.