Debian testing, currently aliased jessie, contains software being tested for inclusion in the next major release.
The packages included in this distribution have had some testing in unstable but they may not be completely fit for release yet. It contains more modern packages than stable but older than unstable. This distribution is updated continually until it enters the “frozen” state.
Security updates for testing distribution are provided by Debian testing security team.
In this article, we are going to learn to install & setup Debian Xfce “jessie” testing from scratch using netinst/minimal iso which is around 300MB in size.
Note: This method of installing Debian requires a functioning internet connection during installation.
Although both Ethernet and wireless connections are supported, a wired Ethernet connection is better. This method requires internet connection because only minimal packages as opposed to the full version and the other stuff has to be downloaded during installation.
Step 1: Download the ISO & make a bootable disk
Download the iso & make a bootable usb drive using software like “Unetbootin” or some other similar software that lets you copy iso files to a usb drive & make it bootable.
You can find the weekly builds of all architecture & all formats in this link, http://cdimage.debian.org/cdimage/weekly-builds/.
Here are the direct links to download the weekly builds of the testing iso,
If you don’t know which version to download then check this article, The Ultimate Guide to the Best Linux Distros. Read more of this post
Linux Panda 
Recent Comments