This message was posted on behalf of Intel Corporation
I understand you are looking for Windows 8.1* graphics driver for your MacBookPro (15-inch, 2017).
Apple* has requested that all inquiries related to their products need to be referred to them. The best option would be contacting Apple* so they can provide proper troubleshooting steps for this issue. This link will give you their contact information https://support.apple.com/contact