Here are the things you need in this tutorial:

• A computer that comes preinstalled with Windows 10 and has both an SSD and an HDD.
• A USB key (pen drive or USB drive) of at least 4 GB in size and no data on it.
• Internet connection (for downloading Ubuntu ISO image and live USB creating tool).
• Optional: External USB disk for making back up of your data.
• Optional: Windows recovery disk (if you encounter any major boot issues, it could be fixed).