Is there a way to load and run Win7 from D:

Wow it has taken me a long time to be able to formulate this specific question. I needed to understand the pros and cons of EasyBCD. And Win7 itself. Which is just enough to install, backup and reinstall, and in particular, to move them to another HDD if necessary. A lot of study for relatively a few number of tasks learned... A part of the difficulty was that I previously ran OS's on C:...