I have a 2TB MBR drive w/ W7 in the 1st partition. Partitions 2 & 3 are used as separate storage. I want to xfer all of that to a 4TB GPT drive including resizing the 2nd & 3rd partitions. Most of ...

Honestly that would be the absolute best way for your system to be set up and just make that 4TB drive a GPT data volume until you finally move on with a full reinstall of Windows in UEFI/GPT. The ...