This is a user to user English language only Support Forum.
Please use one of the freely available translation tools to translate your post into English before posting.
Additionally, please provide the essential INFORMATION REQUIRED WHEN POSTING A QUESTION with your question.
Next time you post, please do as RAY_M suggested. Translate your post into English and also post your computer information.
Your Windows 8.1 is not supported anymore by AMD. The last known AMD full set of driver is from 7/14/2017. There will be no more updates to Windows 8/8.1 AMD GPU drivers for this particular Operating System.
Here is the last Windows 8/8.1 AMD Full set of GPU driver for your R9 2xx series card: Desktop