Do not forget, SSD is the best way to improve PC/Laptop performance:
https://amzn.to/2U5P73W
https://amzn.to/2UR5pdW
1. Click on the Menu button, select Terminal. (0: 20s)
2. In the terminal type the command: sudo mkisofs -o name.for.ISO.iso /home/name.user, type your password. (0:39s)