The fastest way for most people to get Kubuntu is by downloading the CD Installer. The CD Installer is nearly 700MB. If you don't have a fast internet connection you may want to consider requesting a CD.
Once downloaded follow the instructions on How to burn a CD.
You can download CDs and DVDs through bittorrent.
Wubi is an officially supported installer for Windows users that can bring you to the Kubuntu world with a single click. Wubi allows you to install and uninstall Kubuntu as any other Windows application, in a simple and safe way. Are you curious about Linux and Kubuntu? Trying them out has never been easier!
Feel free to view the complete list of download locations and other download options. This list is sorted by continent and country and is updated frequently so that it only includes mirrors that have the most recent files. Note, the list is quite long.
76e5a5d4b704677744bd84e042c05b63 kubuntu-9.10-alternate-amd64.iso 33fce2476d982977216faa40cbc334c5 kubuntu-9.10-alternate-i386.iso 5a996e0d794e35509d0275d411a3e737 kubuntu-9.10-desktop-amd64.iso 18ecb71bff567ce7a91443720a86473e kubuntu-9.10-desktop-i386.iso 36b1f68a396f3b4e4b5cc0849877ff35 kubuntu-9.10-netbook-i386.iso