To install Typo3, you can follow the steps below:
1. Download the package (http://typo3.org/download/packages/)
2. Extract the content of the downloaded archive (unzip typo3_src+dummy-4.6.4.zip)
3. Step 2 will create a folder with name typo3_src+dummy-4.6.4. Move content one level up (mv typo3_src+dummy-4.6.4/* .)
4. Add handler for PHP 5.3
5. Enable install tool (touch typo3conf/ENABLE_INSTALL_TOOL)
6. Access the web installer
After the web installer is loaded, the installation is straight forward and can be accomplished in a few clicks.