There was a question on iFixit about how to set up the OS/drivers after upgrading the storage on the Surface Studio.
Unfortunately, my answer keep getting deleted, so I’ll post it here.
Follow the teardown to upgrade the storage drives: https://www.ifixit.com/Teardown/Microsoft+Surface+Studio+Teardown/74448
Download the recovery image for Microsoft Surface from Microsoft’s website
Format your flash drive in FAT32 format and extract the content of the zipped file to the flash drive.
Step 1: Shut down your Surface.
Step 2: Insert the bootable USB drive into the USB port on your Surface.
Step 3: Press and hold the volume-down button on Surface.
Step 4: While holding down the volume-down button, press and release the power button.
Step 5: Follow the on-screen instructions to boot from your USB drive.
English (United States) > US > Troubleshoot > Reset your PC > Next > Yes, repartition the drives > Just remove my files > Next