If ise.exe does not open:
@echo off
set LANG=C
set PATH=C:\Xilinx\14.7\ISE_DS\ISE\bin\nt64;%PATH%
cd C:\Xilinx\14.7\ISE_DS\ISE\bin\nt64
start ise.exe
The installer expects Windows 7. To trick it: xilinx ise 14.7 windows 11
Before proceeding, understand the following: If ise
A VM runs a complete, sanctioned guest OS (e.g., Windows 7 or Windows 10 LTSC) where the host (Windows 11) passes through the USB cable. The guest OS handles the legacy 32-bit driver. @echo off set LANG=C set PATH=C:\Xilinx\14
Verdict: Functional but fragile. It is a relic of a bygone era that requires significant "hackery" to run on modern hardware, but remains essential for legacy hardware development.
For users who only need simulation or synthesis (not hardware programming) on Windows 11, you can force the installation.
Warning: This will not fix the USB programming driver.