If the patch fails, install Windows 7 (32-bit) inside VirtualBox on your Windows 10 host. ISE 14.7 runs natively there without any hacks.
B. If installer hangs on "Enabling WebTalk" (common) xilinx ise 147 windows 10
ISE 14.7 relies on an ancient version of the Wind/U toolkit (a Windows-to-Unix portability layer). Windows 10 and 11 changed how memory management works, causing the windu.exe process to crash instantly. This breaks the Project Navigator, the schematic viewer, and the license manager. If the patch fails, install Windows 7 (32-bit)