The user interface of Xilinx ISE 14.7 is somewhat outdated, but it's still functional. The design flow is intuitive, and users familiar with previous versions will feel comfortable navigating the software.
Xilinx ISE 14.7 is the last release supporting Spartan-6 and older CPLDs. While not officially supported on Windows 10, it can run with community patches to fix the installer, libPortability errors, and USB driver issues. xilinx ise 147 windows 10
# Enable long paths in Windows 10 reg add "HKLM\SYSTEM\CurrentControlSet\Control\FileSystem" /v LongPathsEnabled /t REG_DWORD /d 1 /f The user interface of Xilinx ISE 14