Probably a year or so ago now, not long after Xcitium, the website only shows the Pro Version of CIS to download. To download the free version, you need to download the Premium Version which is the Free version from the forum. See below links.
Download CIS Premium:
CIS .8012 Premium: Download
CFW .8012 Stanalone Installer: Download
CIS Beta2 Version: Download
CIS Beta topic: CIS Beta2 - 2024 topic
CIS Uninstaller Tool: [Download] - Only if there’s an issue with the program not uninstalling properly:
(https://download.comodo.com/cis/download/installs/ciscleanuptool/CisCleanupTool_x64_3.1.0.45.exe)
There have been some intermittent website database download issues but it’s something they have been working on when there’s been an issue. Might be worth posting the issue in this related topic.