On july 29, there is a free upgrade to windows 10. Make sure your windows is up to date with window updates and your system is windows 7, 8, 8.1. there will be a windows logo on the right bottom side were your startup programs our. If you found the icon then reserve you copy to windows 10 and make sure you enter you email when reserving your copy. Then your done and the waiting begins.
I am still waiting for plugins and mods to update to 1.8 of Minecraft.
(update as of 7/6/15) - I made a 1.8 beta build of the modpack with some mods. (Version #B002) You should the link for the beta in "Modpack installing info" tab on the website
(update as of 7/29/15) - Windows 10 is ready and you can upgrade to it for free. Here a link to easy upgrade your computer with the microsoft Media Creation Tool (Link) click on the tool and select upgrade. **make sure your computer is up-to-date with windows updates before using this tool** **You have until from 7/29/15 to 7/29/16 to upgrade free**