i am going to use a USB drive to boot up my computer, when i do it how can i use my hdd with everything on with the usb?

[FlameDrop13]

the HDD has all my files and steam games on it how can i use that without deleting my data. Someone needs to explain how this works to me.

 

[USAFRet]

the HDD has all my files and steam games on it how can i use that without deleting my data. Someone needs to explain how this works to me.

Back up a few steps...what are you actually trying to do? With what OS?

 

[Rocky Bennett]

the HDD has all my files and steam games on it how can i use that without deleting my data. Someone needs to explain how this works to me.

That is fine, that is how it is designed to work.