This table lists the highest running versions available for platforms no longer receiving support updates from the vendor.

• The Ryzom Core client should be compatible with Windows XP and all later versions. Maybe we can still support Windows 98 as well!
• The 3ds Max plugins should be compatible with 3ds Max 9 and all later versions.
• The Ryzom Core server should be compatible with any C++14 and later compilers.

Underlined libraries require custom builds.

Older versions underlined.

MinGW can target NT3.51 and up, as well as 95 and up.

The last Python with Windows XP support, Python 3.4.4, is compiled under Visual Studio 2010. Python 2.7 under Visual Studio 2008. Later versions of Python use the VS 14.x series. https://wiki.python.org/moin/WindowsCompilers

Python 3.7.3 can be compiled for Windows XP with the v141_xp with some project modifications, and with certain projects disabled. See https://bugs.python.org/issue32282

Older versions underlined. Python version refers to development libraries compatible with the specified Visual Studio and OS.

With the Visual Studio 2015 - 2019 series, you automatically get the latest python installed.

The last Qt to support Windows XP is 5.6.3, but requires manual build. The last version to provide an official build that can be used to develop on Windows XP is 5.5.1 with VS 2010 packages. For building Qt 5.5.1 on v141_xp, modify line 996 of qcompilerdetection.h to

#if 0 && defined(__cpp_constexpr) && __cpp_constexpr-0 >= 201304

Use the following command line environment:

cd "C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\"
C:
call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\VC\Auxiliary\Build\vcvars32.bat"
set "PATH=C:\2019q2-btext-v141_xp-src\jom_1_1_2;%PATH%;C:\Python27"
set "DXSDK_DIR=C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)"
set INCLUDE=%ProgramFiles(x86)%\Microsoft SDKs\Windows\7.1A\Include;%INCLUDE%
set PATH=%ProgramFiles(x86)%\Microsoft SDKs\Windows\7.1A\Bin;%PATH%
set LIB=%ProgramFiles(x86)%\Microsoft SDKs\Windows\7.1A\Lib;%LIB%
rem set LINK=/SUBSYSTEM:CONSOLE,5.01 %LINK%
rem set LIB=%ProgramFiles(x86)%\Microsoft SDKs\Windows\7.1A\Lib\x64;%LIB%
rem set LINK=/SUBSYSTEM:CONSOLE,5.02 %LINK%
set CL=/D_USING_V110_SDK71_;%CL%
set QMAKESPEC=win32-msvc2015

Must have JOM, Python27, Strawberry Perl, and Ruby in the environment path. Configure with:

configure -opensource -prefix .. -no-webkit -nomake tests -nomake examples -make-tool jom -target xp -debug-and-release -force-debug-info -confirm-license

http://web.archive.org/web/20170829230259/http://download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/rootsupd.exe

https://hjtsoft.blogspot.com/2018/07/windows-9x-update-archive.html

https://www.catalog.update.microsoft.com/Search.aspx?q=Update%20for%20Windows%207%20for%20x64-based%20Systems%20(KB3125574)

https://support.microsoft.com/en-us/help/873377/an-update-rollup-is-available-for-internet-explorer-6-service-pack-1 https://support.microsoft.com/en-us/help/889669/an-update-rollup-is-available-for-internet-explorer-6-service-pack-1 http://www.catalog.update.microsoft.com/ScopedViewInline.aspx?updateid=80392efb-f236-4b6f-a529-be3383c91766 http://www.mdgx.com/ietoy.htm

https://support.microsoft.com/en-us/help/299444/post-windows-nt-4-0-service-pack-6a-security-rollup-package-srp

https://www.majorgeeks.com/files/details/microsoft_windows_2000_unofficial_sp.html

June 2010 can be hacked to run on Windows 2000, February 2010 still installs, June 2008 is the last officially supported version. https://msfn.org/board/topic/152024-discontinued-directx-90c-full-pack-for-win2000/