Apple Mac OSX 10.15 Catalina – How to Create a Bootable USB Flash Drive – GUIDE!


As usual, Apple no longer supply a bootable USB Flash Drive with latest OS X releases – including the new OS X Catalina.
Using this tutorial you will be able to create your very own bootable USB Flash Drive using Apple’s newest operating system, in a couple of easy steps!

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46 comments

  1. [UPDATE] : If you would rather use a graphical interface rather then text based commands, check out UUByte DMG Editor – https://bit.ly/3DSwYKO – which can be run on both Windows or MAC platforms, and is capable of creating bootable OSX drives, quick and easy!

  2. When I enter my password nothing shows up??

  3. Almost finished with the process, but ran into a problem.
    After terminal erased the disk , it says the erased disk did not mount. Could that be a disk problem?? So I do have an off brand disk..

  4. I am still confused about os file , when I get the Mac osx copy it is not labeled same as this video. It shows .dmg and it said install Mac osx. Also I notice some files in some other video show .app and not dmg so that part Is not clear to me

  5. Great, straightforward, concise! And it works! Thanks!

  6. Crap. No installer found

  7. Life saver thank you very much!!

  8. Thank a lot men ❤️❤️❤️❤️❤️🙏🙏🙏🙏

  9. Im losing it, this doesnt work. How many more videos do I have watch to find the right solution???? Fffs

  10. Good info, very detailed thank you very much.

  11. thank you man 🙂 simple as possible

  12. thank you for the video, can the usb be removed once the procedure is finished and put into another Mac?

  13. Unable to download Big Sur from App Store. It keeps failing. There is no link to download it from beta.apple.com either. I had downloaded a copy of Catalina Beta version, i followed your process of commands for the terminal, connected the flash drive via USB port on MacBook Air; it said, file corrupted. I setup the bootable again, same error pops up. Guess, i need to download the OS from somewhere, and try the whole thing again, please guide.

  14. Actually this install method fails macos catalina.app does not appear to be a valid os installer application. Apple knows abt this and cares not.

  15. Thank you, Thank you, Thank you!! A great, easy to follow guide for reinstalling Catalina. Saved me tons of time!

  16. Very nice and clear explanation. Why anyone would give you a thumbs down is beyond me.
    F;:kwits I expect.

  17. that's the easiest bootable key I have ever made.. thanks so much!

  18. What about the “format internal disk” part >__>

  19. Thumbs up Mate. Great tutorial

  20. at 2:57 you say go to Utilities; Startup Security Utility, but I don't get that, I only get Firmware Password utility, Network utility or Terminal…..I ask all this since after pressing Option while starting the usb inserted doesn't show up, help!

  21. Thanks for the precise explanation. The usd drive is "creating" right now. I hope this will get my IMAC with the new SSD up and running again!

  22. what password should I put my apple id or system password

  23. Worked Perfectly for "Install macOS Big Sur". Thank you!

  24. This is really helps Thank you..!

  25. THANK YOU FOR SHOWING ME THE DRAG AND DROP FEATURE!!! I am a student and I wish I knew this when I created a new distribution of Linux. This will literally save me HOURS

  26. Great and thanks for this survival kit for mac. Really appreciate it. easy and understandable.

  27. I need to make a bootable snow leopard usb from Catalina, older techniques don't seem to work anymore like restoring an iso to the usb… Help….

  28. awesome! thanks this worked like a charm!

  29. 𝐂4𝐓𝐎𝐎𝐋𝐒 𝐨𝐧 𝐢𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦 𝐠𝐨𝐭 𝐦𝐢𝐧𝐞 𝐟𝐢𝐱𝐞𝐝 𝐩𝐞𝐫𝐟𝐞𝐜𝐭𝐥𝐲 𝐈 𝐰𝐢𝐥𝐥 𝐫𝐞𝐜𝐨𝐦𝐦𝐞𝐧𝐝 𝐲𝐨𝐮 𝐭𝐨 𝐭𝐡𝐞 𝐰𝐨𝐫𝐥𝐝 👽

  30. Great tutorial! Thanks for the easy and concise information!

  31. I get an error after the erasing process starts, it does not furthert than 10% completion..

  32. You my Friend are a legend! It's taken me over 5 hours of searching online thought lots of videos and apple website to find the a solution. much appreciated and very clear video. Thank you a lot 🙂

  33. This freaking saved my other MacBook, thank you!

  34. very well done thanks

  35. i having prblm in terminal part after enter mac password and it say:

    "/Applications/Install macOS Catalina.app does not appear to be a valid OS installer application."

    can someone help me pls.

  36. You deserve a beer – No mucking around easy to understand instructions. Have bookmarked this video and subscribed to your channel THANKS

  37. If this works i will come back to give you shout out

  38. when I do this my computer gets bricked is there a way to overcome this?

  39. Copying to disk: 0%… it’s been stuck like this, could anyone give me a solution? Thank you

  40. Man, this is my go to everytime I format a mac. Cheers again and again and…..

  41. nothing works for me s sad

  42. If your macbook running mac os catalina can i do this ?