How do I change the boot mode from Uefi to legacy Toshiba?

Related questions

1. What does UEFI boot mode mean?
2. Does Windows 10 work in legacy mode?
3. What is better BIOS or UEFI?
4. Is Legacy or UEFI better?
5. Is Windows 7 UEFI or legacy?
6. Should I do MBR or GPT?
7. Which is faster MBR or GPT?
8. Is Ubuntu a UEFI or legacy?
9. How do I change Lenovo Uefi to legacy boot mode?
10. What are the advantages of UEFI?

Tags

1. #screen
2. #windows
3. #corner
4. #charms
5. #pointer
6. #computer
7. #lower
8. #secure
9. #restart
10. #option
11. #native
12. #upper
13. #right
14. #disable
15. #settings
16. #desktop
17. #switch
18. #charm
19. #click
20. #appear
21. #power
22. #start
23. #legacy