Windows 7, Back-up Bitlocker .BEK file from a USB drive

normally you can't see the file in windows.

I have found a solution to back-up the .BEK key file on a USB drive.

First you want to download and burn a Ubuntu ISO, from HERE
Then you want to start up your PC from The ISO.
click on Try Ubuntu to start the live CD.

you wil see this:

then you must have the USB drive with the key file in the PC.
Open My Computer

You wil see this:

now you can open your USB Drive with the key file en Copy is to an other USB flash drive.

First open the USB Drive, you wil see this:

now open an other USB dirve.

copy the key file to the other USB drive.

thats is my way to Back-up your .BEK key file from Bitlocker.