Best way is with an external USB adapter. Take the drive out of the PC and connect to the adapter. Here is an example of one,  CLICK ME
My old  Dimension 4700 is not working. I want to remove the hard drive and transfer the data to my Dell laptop.  What specific cables do I need?   Interface Type:  SATA 1.5 G/b/s Spindle Speed: 7200 rpm Interface Class: Serial ATA Capacity: 80GB
Dimension 4700