The files on this page are '.rpm' files. Use 7-zip to extract the binaries.
The minimum supported operating system version for these binary packages is Windows 8 (Vista). They are known not to work on Windows 7.
osc co windows:mingw:win32:snapshots/mingw32-kmymoney5 cd windows:mingw:win32:snapshots/mingw32-kmymoney5 osc build openSUSE_Leap_15.3 [-j<jobs>]
osc co windows:mingw:win64:snapshots/mingw64-kmymoney5 cd windows:mingw:win64:snapshots/mingw64-kmymoney5 osc build openSUSE_Leap_15.3 [-j<jobs>]
osc co windows:mingw:win32:snapshots/mingw32-libalkimia5 cd windows:mingw:win32:snapshots/mingw32-libalkimia5 osc build openSUSE_Leap_15.3 [-j<jobs>]
osc co windows:mingw:win64:snapshots/mingw64-libalkimia5 cd windows:mingw:win64:snapshots/mingw64-libalkimia5 osc build openSUSE_Leap_15.3 [-j<jobs>]
osc co windows:mingw:win32:staging/mingw32-libalkimia5 cd windows:mingw:win32:staging/mingw32-libalkimia5 osc build openSUSE_Leap_15.3 [-j<jobs>]
osc co windows:mingw:win64:staging/mingw64-libalkimia5 cd windows:mingw:win64:staging/mingw64-libalkimia5 osc build openSUSE_Leap_15.3 [-j<jobs>]
osc co windows:mingw:win32:snapshots/mingw32-gdb cd windows:mingw:win32:snapshots/mingw32-gdb osc build openSUSE_Leap_15.3 [-j<jobs>]
osc co windows:mingw:win64:snapshots/mingw64-gdb cd windows:mingw:win64:snapshots/mingw64-gdb osc build openSUSE_Leap_15.3 [-j<jobs>]
osc co windows:mingw:win32/mingw32-gdb cd windows:mingw:win32/mingw32-gdb osc build openSUSE_Leap_15.3 [-j<jobs>]
osc co windows:mingw:win64/mingw64-gdb cd windows:mingw:win64/mingw64-gdb osc build openSUSE_Leap_15.3 [-j<jobs>]
[1] The rpm container can be unpacked with 7-zip.
[2] Debug symbols need to be unpacked in the directory above the bin folder so that gdb can find them.
sudo zypper install osc
osc chroot openSUSE_Leap_15.3 cd /home/abuild/rpmbuild/BUILD/