Hi everybody
Go to Fluxbox and following step's

Step1.Removing KDE 3.5


Code:
mkdir kde4
cd kde4
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/remove-kde3.sh
chmod 700 remove-kde3.sh
./remove-kde3.sh
OR Removing KDE 4.*

Code:
mkdir kde4
cd kde4
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/remove-kde4.sh
chmod 700 remove-kde4.sh
./remove-kde3.sh
Step 2. Download dependencies
Code:
mkdir deps
cd deps
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/PyQt-4.4.4-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/QScintilla-2.3-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/akonadi-1.1.1-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/automoc4-0.9.88-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/boost-1.36.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/chmlib-0.39-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/clucene-0.9.21b-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/djvulibre-3.5.21-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/eigen-1.0.5-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/eigen2-r900905-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/exiv2-0.17.1-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/gmm-3.1-noarch-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/ilmbase-1.0.1-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/iso-codes-3.5-noarch-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/libarchive-2.5.5-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/libdvdread-4.1.3-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/libical-0.42-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/libmsn-r93-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/libspectre-0.2.1-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/libvncserver-0.9.1-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/libxklavier-3.8-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/libzip-0.9-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/openexr-1.6.1-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/phonon-4.3.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/pycups-1.9.42-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/qca-2.0.1-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/qca-cyrus-sasl-2.0.0_beta3-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/qca-gnupg-2.0.0_beta3-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/qca-ossl-2.0.0_beta3-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/qimageblitz-r900905-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/qt-r912655-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/raptor-1.4.18-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/rasqal-0.9.16-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/redland-1.0.8-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/sip-4.7.9-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/soprano-2.1.67-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/deps/strigi-0.6.3-i486-1.tgz
installpkg *
cd ..
Step 3. Download extragear
Code:
mkdir extragear
cd extragear
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/extragear/amarok-2.0.1.1-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/extragear/guidance-power-manager-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/extragear/kaudiocreator-r888119-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/extragear/konq-plugins-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/extragear/ktorrent-3.1.6-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/extragear/skanlite-0.2_kde4.2.0-i486-1.tgz
installpkg *
cd ..
Step 4. Download KDE 4.2
Code:
mkdir kde
cd kde
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdeaccessibility-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdeadmin-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdeartwork-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdebase-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdebase-runtime-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdebase-workspace-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdebindings-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdeedu-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdegames-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdegraphics-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdelibs-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdemultimedia-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdenetwork-4.2.0-i486-2.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdepim-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdepimlibs-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdeplasma-addons-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdesdk-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdetoys-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdeutils-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdevelop-3.9.85-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdevplatform-0.9.85-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/kdewebdev-4.2.0-i486-1.tgz
wget -c  ftp://slackware.mirrors.tds.net/pub/slackware/slackware-current/testing/packages/kde4/kde/koffice-1.9.98.5-i486-1.tgz
installpkg *
cd ..
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