If you have installed the plug-in but cannot see "Camera Raw Filter" in the menu: Camera Raw plug-in installer - Adobe Help Center

What shot the images you want to edit?

For older applications like CC 2019, Adobe often recommends a substitute installer (such as version 14.5 for "older applications"), but the absolute maximum version supported by CC 2019 is 12.4. Run the Installer : Quit all Adobe applications. Double-click the downloaded file and follow the onscreen instructions. : Quit all Adobe applications. Open the file, then double-click the file to start the installer. Restart Photoshop

Most users misunderstand: opening a RAW file into ACR then Photoshop is destructive if you flatten later. The Camera Raw Filter is when applied as a Smart Filter.