Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
deprecated()
firstboot(windowmanager)
kwin-x11
kwin-x11(x86-64)

Requires :

kf5-kinit(x86-64)
kwin-common(x86-64) = 5.27.10-3.fc38
kwin-libs(x86-64) = 5.27.10-3.fc38
libKF5ConfigCore.so.5()(64bit)
libKF5ConfigGui.so.5()(64bit)
libKF5ConfigWidgets.so.5()(64bit)
libKF5CoreAddons.so.5()(64bit)
libKF5Crash.so.5()(64bit)
libKF5GlobalAccel.so.5()(64bit)
libKF5I18n.so.5()(64bit)
libKF5Notifications.so.5()(64bit)
libKF5Plasma.so.5()(64bit)
libKF5Service.so.5()(64bit)
libKF5WindowSystem.so.5()(64bit)
libQt5Core.so.5()(64bit)
libQt5Core.so.5(Qt_5)(64bit)
libQt5Core.so.5(Qt_5.15)(64bit)
libQt5DBus.so.5()(64bit)
libQt5DBus.so.5(Qt_5)(64bit)
libQt5Gui.so.5()(64bit)
libQt5Gui.so.5(Qt_5)(64bit)
libQt5Qml.so.5()(64bit)
libQt5Qml.so.5(Qt_5)(64bit)
libQt5Quick.so.5()(64bit)
libQt5Quick.so.5(Qt_5)(64bit)
libQt5Widgets.so.5()(64bit)
libQt5Widgets.so.5(Qt_5)(64bit)
libQt5X11Extras.so.5()(64bit)
libQt5X11Extras.so.5(Qt_5)(64bit)
libX11.so.6()(64bit)
libXi.so.6()(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.32)(64bit)
libc.so.6(GLIBC_2.34)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libepoxy.so.0()(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.4)(64bit)
libkdecorations2.so.5()(64bit)
libkwin.so.5()(64bit)
libkwineffects.so.14()(64bit)
libkwinglutils.so.14()(64bit)
libm.so.6()(64bit)
libm.so.6(GLIBC_2.2.5)(64bit)
libqaccessibilityclient-qt5.so.0()(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(CXXABI_1.3.9)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
libstdc++.so.6(GLIBCXX_3.4.14)(64bit)
libstdc++.so.6(GLIBCXX_3.4.19)(64bit)
libstdc++.so.6(GLIBCXX_3.4.29)(64bit)
libstdc++.so.6(GLIBCXX_3.4.30)(64bit)
libstdc++.so.6(GLIBCXX_3.4.32)(64bit)
libxcb-composite.so.0()(64bit)
libxcb-keysyms.so.1()(64bit)
libxcb-randr.so.0()(64bit)
libxcb-render.so.0()(64bit)
libxcb-shape.so.0()(64bit)
libxcb-xfixes.so.0()(64bit)
libxcb-xkb.so.1()(64bit)
libxcb.so.1()(64bit)
libxkbcommon-x11.so.0()(64bit)
libxkbcommon-x11.so.0(V_0.5.0)(64bit)
libxkbcommon.so.0()(64bit)
libxkbcommon.so.0(V_0.5.0)(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1
rtld(GNU_HASH)
xorg-x11-server-Xorg

Content of RPM :
/usr/bin/kwin_x11
/usr/lib/.build-id
/usr/lib/.build-id/29
/usr/lib/.build-id/29/c5b84677999f5bbe2c9c84906822a1e1bdeb9f
/usr/lib/systemd/user/plasma-kwin_x11.service