ArcaOS 5.0.5 is included with your valid ArcaOS Support & Maintenance subscription at no additional charge. To download your fresh ISO, simply visit your Arca Noae customer portal page, select the Orders & Subscriptions link on the navigation panel to the left, then click on the order for your ArcaOS license. Once there, click the download link to request a fresh ISO, and wait for your notification email.
If your ArcaOS Support & Maintenance subscription has already expired, and you missed your window of opportunity to renew at regular rates, you may still renew at less than the cost of a new ArcaOS license.
Arca Noae sells only digital versions of ArcaOS. If you want a DVD or USB stick version, you can make your own. Instructions are provided with ArcaOS.
If you would rather buy the DVD or USB stick, Blonde Guy has plenty of them on hand. See the following link to shop for ArcaOS on DVD or USB stick. International shipping is now available.
http://www.blondeguy.com/computer/BlueLion.html