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+# Copy ISO image
+
+Now that you have the ISO image of YunoHost, you have to put it on a physical medium: **USB key** or **CD/DVD**
+
+
+
+
+---
+
+## USB key
+
+Download UnetBootin for your operating system and install it.
+
+
+
+
+Put your USB key on, select your YunoHost ISO and click "OK"
+
+
+---
+
+## CD/DVD
+
+The software to use differs regarding your operating system.
+
+* On Windows, use [ImgBurn](http://www.imgburn.com/) to write the image file on the disc
+
+* On Mac OS, use [Disk Utility](http://support.apple.com/kb/ph7025)
+
+* On GNU/Linux, you have plenty of choices, like [Brasero](https://wiki.gnome.org/Apps/Brasero) or [K3b](http://www.k3b.org/)