Do you absolutely need ?

is the open-source project where development happens, "ChromeOS" refers to the proprietary version that includes Google-specific features like the Play Store (Android apps) and verified boot. 2. ChromeOS Flex: The x64 Solution for Non-Chromebooks

What is the of the PC you want to target?

Chrome OS is incredibly lightweight, often making 5–10-year-old laptops run faster than they did with Windows.

ChromeOS Flex is Google's official operating system made specifically for PCs and Macs.

Erases your entire hard drive and installs the OS permanently.

You can enable a Linux container (on supported hardware) to run tools like GIMP, LibreOffice, or code editors. The Official Route: ChromeOS Flex (The Modern "ISO")