The Oracle VirtualBox Guest Additions software, which is needed to use a shared folder, cut/paste, etc. does not install in the Windows 10 Technical Preview.
Tag: Windows 10 Technical Preview
Windows 10 Technical Preview First Look
Hands On demo of Windows 10 Technical Preview immediately after install
Windows 10 Technical Preview
Microsoft has released a technical preview of their upcoming Windows 10. Here is a video of our install of the Windows 10 Technical Preview.