Originellement posté par musocity
It should have an M2 SSD slot, if not the hard drive is easy enough to upgrade, you just need to clone the old drive to the new bigger one.
You can use a USB 3.0 to SSD adapter to clone from your SSD to new bigger SSD.
You also have USB 3.0 M2 adapters, you can plug into USB 3.0 and tape it to the back of the pad or use double sided tape.
https://www.ifixit.com/Guide/Dell+XPS+18+HDD-SSD+Replacement/103769
Here is a link to download the free DiskGenius software.
https://www.diskgenius.com/
USB 3.0 M2:

That's so kind, musocity ;-)
Maybe I should have tried it myself, but I preferred to entrust my machine to a professional, and I now have an SSD that will allow me to install Band-in-a-Box 2025.
That being said, with all the information and illustrations you provided me, I'm sure I will be able to do it myself when Band-in-Box exceeds 512 GB ;-)
Thanks again!

Lazy Bird