Yes but no, You don't have to update your installer,
If you use the older installer then you just have to run updates once you have installed the default OS. But it is a good practise to update the USB installer when the new OS version is released, that way you keep up to date with things. Which reminds me I'll have to download the new sierra today -----Original Message----- From: macvisionaries@googlegroups.com [mailto:macvisionaries@googlegroups.com] On Behalf Of Matthew Dyer Sent: Saturday, 22 July 2017 8:38 AM To: macvisionaries@googlegroups.com Subject: RE: Question regarding mac os installer. Hi, That’s what I thought. I will be working on this over the weekend. I will report back if I have any problems. I was always under the impression that with the mac os installer, you had to redownload it everytime a mac os uopdate was released for example, if you had 10.12.5 and then upgraded to the latesed then you reformatted and installed you had to update the system each time because if you used the usb installer, you were using an older installer. Is this still the case? Thanks again for your help. Matthew -----Original Message----- From: macvisionaries@googlegroups.com [mailto:macvisionaries@googlegroups.com] On Behalf Of Simon Fogarty Sent: Friday, July 21, 2017 4:00 AM To: macvisionaries@googlegroups.com Subject: RE: Question regarding mac os installer. Hi Matthew, If you use a USB installer media then you can start up to that USB device and then under the utilities choose the disk utilitiy tool and wipe the HD by either formatting or partitioning the drive. Then start the installation and do what you need to. -----Original Message----- From: macvisionaries@googlegroups.com [mailto:macvisionaries@googlegroups.com] On Behalf Of Matthew Dyer Sent: Wednesday, 19 July 2017 11:57 PM To: macvisionaries@googlegroups.com Subject: Question regarding mac os installer. Morning all. I got a 1 TB external usb drive whare I backup my mac os. I am hoping to get my mac os reinstalled over this weekend as I think this wwill clean upp some prob lems I have been having. Here is the question. What is the difference between the searria installer and the recovery disk. I will want to reformat the drive and repartition it before install. Can this be done with the installer? I have tried using recovery disk assistant to do this, buut when opened it just says recovery disk assistant has no windows. I will probley work on this over the weekend as I will have more time,. Have another question, but will put it in another message as it is having to do with superduper. Thanks. Matthew -- The following information is important for all members of the Mac Visionaries list. If you have any questions or concerns about the running of this list, or if you feel that a member's post is inappropriate, please contact the owners or moderators directly rather than posting on the list itself. Your Mac Visionaries list moderator is Mark Taylor. You can reach mark at: macvisionaries+modera...@googlegroups.com and your owner is Cara Quinn - you can reach Cara at caraqu...@caraquinn.com The archives for this list can be searched at: http://www.mail-archive.com/macvisionaries@googlegroups.com/ --- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To unsubscribe from this group and stop receiving emails from it, send an email to macvisionaries+unsubscr...@googlegroups.com. 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