How to install flash player on ubuntu 64 bit

for the pure 64-bit-flash-version: installation guide:

# deinstall all other Flashplayer
# which are installed?:
dpkg -l flashplugin-nonfree mozilla-plugin-gnash swfdec-mozilla
#
# delete installed:
sudo apt-get remove mozilla-plugin-gnash swfdec-mozilla flashplugin-nonfree
#
# create new folder for Flashplayer:
sudo mkdir /usr/lib/flashplugin-nonfree/
#
# copy the new Flashplayer in the just created folder. change the first
# term to the unpacked path.
# if you unpacked to your Desktop, replace YourDownloadPath with
# /home/YourLoginName/Desktop
sudo cp YourDownloadPath/libflashplayer.so /usr/lib/flashplugin-nonfree/
#
# give Firefox the Flashplayer as Plugin , by creating a symbolic Link
# to the path of the Flashplayers in Plugin-folder from Firefox:
sudo ln -s /usr/lib/flashplugin-nonfree/libflashplayer.so /usr/lib/mozilla/plugins/libflashplayer.so

Revised script which works on ubuntu 64 bit

#!/bin/bash
# Released under GPL

echo “Closing Firefox”
sudo killall -9 firefox

echo “Downloading and instaling Getlibs for required libraries”
wget http://frozenbox.freehostia.com/cappy/getlibs/getlibs-all.deb
sudo dpkg -i getlibs-all.deb

echo “Removing previous installs of flash:”
sudo apt-get remove -y –purge flashplugin-nonfree gnash gnash-common mozilla-plugin-gnash swfdec-mozilla libflashsupport nspluginwrapper
sudo rm -f /usr/lib/mozilla/plugins/*flash*
sudo rm -f ~/.mozilla/plugins/*flash*
sudo rm -f /usr/lib/firefox/plugins/*flash*
sudo rm -f /usr/lib/firefox-addons/plugins/*flash*
sudo rm -rfd /usr/lib/nspluginwrapper

echo “Installing ia32-libs and nspluginwrapper”
sudo apt-get install ia32-libs nspluginwrapper

echo “Getting libs”
sudo getlibs -p libcurl3
sudo getlibs -p libnss3-1d
sudo getlibs -p libnspr4-0d

echo “Installing Flash Player 10″
cd ~
wget http://fpdownload.macromedia.com/get/flashplayer/current/install_flash_player_10_linux.tar.gz
tar zxvf install_flash_player_10_linux.tar.gz
sudo cp libflashplayer.so /usr/lib/mozilla/plugins/
rm -rf install_flash_player_10_linux.tar.gz libflashplayer.so
sudo nspluginwrapper -i /usr/lib/mozilla/plugins/libflashplayer.so

echo “Linking the libraries so that firefox can see them.”
sudo ln -sf /usr/lib/nspluginwrapper/plugins/npwrapper.libflashplayer.so /usr/lib/mozilla/plugins/
sudo ln -sf /usr/lib/nspluginwrapper/plugins/npwrapper.libflashplayer.so /usr/lib/firefox-addons/plugins/

echo “Done ”
echo “You may re-start Firefox now”