How do you make a PS3 hard drive into a PC hard drive?

You just need to plug it into your computer and then format it for use on your computer.

Let me know please if you already connected it to the computer?

Was it recognized normally?

Perform formatting as directed below.

First open the Command Prompt, press Windows + R, type cmd and click OK.

1. In the Prompt type DISKPART, when it opens, DISKPART will appear on the left.
2. Type LIST DISK, this command will list the hard drives installed on the machine, pay close attention not to choose the wrong hard drive.
3. Type SELECT DISK “X”, in place of the X put the number for the HD you want to format, put without quotes.
4. Now just type the commands below and press Enter at each command.
5. Commands:

CLEAN

CREATE PARTITION PRIMARY

SELECT PARTITION 1

ACTIVE

FORMAT FS=NTFS QUICK

ASSIGN

EXIT

EXIT