Is it possible run Kicad 5.0.2 on Windows Vista 32? I have installed but pcbnew don´t open, showing message: “Failed to load kiface library” C:…_pcbnew.kiface".
Short answer: Probably not.
Longer answer: You could compile it yourself and it might work.
Is there anybody here using 5.0.2 or Nightly on the supported range of Windows 7 to Windows 10 32 bit?
@davidsrsb I do:
Application: kicad
Version: (5.1.0-rc2-39-gd2d210117), release build
Libraries:
wxWidgets 3.0.4
libcurl/7.61.1 OpenSSL/1.1.1 (WinSSL) zlib/1.2.11 brotli/1.0.6 libidn2/2.0.5 libpsl/0.20.2 (+libidn2/2.0.5) nghttp2/1.34.0
Platform: Windows 7 (build 7601, Service Pack 1), 32 bit, Little endian, wxMSW
Build Info:
wxWidgets: 3.0.4 (wchar_t,wx containers,compatible with 2.8)
Boost: 1.68.0
OpenCASCADE Community Edition: 6.9.1
Curl: 7.61.1
Compiler: GCC 7.3.0 with C++ ABI 1011
Build settings:
USE_WX_GRAPHICS_CONTEXT=OFF
USE_WX_OVERLAY=OFF
KICAD_SCRIPTING=ON
KICAD_SCRIPTING_MODULES=ON
KICAD_SCRIPTING_PYTHON3=OFF
KICAD_SCRIPTING_WXPYTHON=ON
KICAD_SCRIPTING_WXPYTHON_PHOENIX=OFF
KICAD_SCRIPTING_ACTION_MENU=ON
BUILD_GITHUB_PLUGIN=ON
KICAD_USE_OCE=ON
KICAD_USE_OCC=OFF
KICAD_SPICE=ON
Honest question: is there any reason at all to use 32 bit OS aside from having to run it in a VM and not having a CPU capable of virtualizing 64 bit OS? Didn’t they stop producing 32 bit CPUs like 10 years ago?
Probably not, but the machine on which I run KiCad is also used for some other old specific external HW/SW and I don’t want to risk anything today with a 64 bit migration.
AFAIK, KiCad 5.1 will be released for Win32 (unless they release only rc versions in 32 bit ? I don’t guess so), so I should be good until v6. At least 
A bit offtopic, but… more interesting question for wide audience is support for 64bit Windows 7 because it’s quite common combination actually in use. The above mentioned system requirements page says it’s supported only until 2020, one year from now. It’s difficult to believe that all users have migrated or will migrate to Windows 10 or whatever at that point.
There are going to be plenty of office PCs stuck on Windows 7 next year after MS support stops.
We were still installing W7 until fairly recently as Windows 10 broke a lot of applications.
This is going to be a security disaster
You can still buy Windows 10 32 bit. Unfortunately some big users still force it in offices, even though nothing has been 32 bit only since the Intel Atom.
What does happen is that no developers and few on this forum use 32 bit, so it is under-tested.
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