Wie bekomme ich eine aktuelle Version von Adobe Camera Raw bei PSE 2025 installiert?

It’s not a subscription- it’s a 3 year term license.  For the average user you only need to install a newer version of Adobe Camera Raw  if  your camera requires it. 

Looks like acr 18.2. ins available- download and install it.
https://helpx.adobe.com/camera-raw/kb/camera-raw-plug-in-installer.html

ONCE YOU INSTALL ACR DO THE FOLLOWING:

 

Quit all Adobe applications.
 

On macOS, double-click the .dmg file to mount it.

On Windows double-click the downloaded .zip file to unzip it.
(Windows might unzip the file for you.)

On macOS, double-click the .pkg file to start the installer. 

On Windows, double-click the resulting .exe file to start the installer.

Follow the on-screen instructions.
 

 Once installed successfully, close the installer window.

 
Navigate to the following folder:
On macOS: /Library/Application Support/Adobe/Plug-ins/CC/File Formats
 

On Windows: C:\Program Files\Common Files\Adobe\Plug-Ins\CC\File Formats
 

Copy the Camera Raw plug-in (just the .8bi file) from the CC > File Formats folder that is mentioned in the above step.
 

Navigate to the following folder: 

On macOS: /Library/Application Support/Adobe/Plug-ins/Elements<Version Number>/File Formats

On Windows: C:\Program Files\Common Files\Adobe\Plug-ins\Elements<Version Number>\File Formats

Replace the existing Camera Raw plugin in Elements<Version Number> folder with the plug-in that you copied earlier.