Ubuntu or a live USB version of Ubuntu is highly recommended.

You will need a Torx T8 and T10 screwdriver to open the Xbox One casing.

This guide will walk you through the entire process, from preparation to the final software installation. What is XboxOneHDDMaster9?

: A SATA-to-USB adapter or an internal SATA connection to hook the new drive to your PC. Drive Sizes : For best results, use standard sizes: 500GB, 1TB, or 2TB. Typical Installation Steps Run the Script as Admin

: Connect the new SATA HDD or SSD to a PC using a USB adapter or direct SATA connection.

: Setting non-standard GUID values that the Xbox OS uses to verify the internal drive. Installation & Usage Workflow To use this tool, users typically follow these steps:

For a completely "from scratch" install, you may need to copy the $SystemUpdate files from an official Offline System Update (OSU1) into the newly created partitions. Some versions of the Master9 script handle the directory creation for you. Installing the Drive into the Xbox One

Locate the internal hard drive caddy held down by T10 Torx screws.