Okay, So as you may know it can be hell on earth trying to get 2 disc games to work! So here's how you can do it!

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This method is how to install it without an external device like a USB!

Step 1. Put the 1st GTA V Disc into your disc tray (Install disc)

Step 2. Go into Xex Menu and go to your games directory, now make a file called GTA Disc 1

Step 3. Press "x" when inside this directory and click copy DVD

Step 4. When its done open the "Content" folder and copy the folder named "415" etc... It may have a different name!

Step 5. Go to your hard drive and look for the content folder, open and then go to "0000000" now paste the folder from earlier into it.

Step 6. Now Insert disc 2, make a new folder called GTA Disc 2 & copy the DVD into the folder!

Once this has installed you should be ready to go! All you need to do is install the lastest Title Update!