You do not need to risk your PC's security to get the full version. The developer of Content Manager, x4fab, uses a donation model for the full key. There is no fixed premium price. Step-by-Step Legal Activation
Here is why you should use it:
As for free installation, I couldn't find any information on a free, fully-functional version of Assetto Corsa Content Manager. However, I did find that some users have managed to create and share custom content for the game using the tool, which can be installed without a key. assetto corsa content manager full version key free install
Content Manager (CM) is a lightweight, alternative launcher for Assetto Corsa. It acts as a central hub for managing your entire game. Core Features of the Free Version
Scroll to the bottom of the official page to find the donation links (via PayPal or Patreon). You do not need to risk your PC's
Now, we need to address the dangerous part of your search query:
Where to find the best for downloading car and track mods. Share public link Step-by-Step Legal Activation Here is why you should
Some sites offer a pre-cracked ContentManager.exe . Analysis by r/simracing members has repeatedly found:
Access to pre-release builds of the Custom Shaders Patch (CSP).
Move the .exe file directly into your main Assetto Corsa root folder (usually found under Steam\steamapps\common\assettocorsa ).