Sergey_Galan Posted July 16, 2025 Share Posted July 16, 2025 (edited) The program uses the capabilities of the startosinstall utility from the macOS installation package. 1. mode "Install/update macOS" You can install/update macOS on both the system volume and a prepared partition in APFS format. To install/update macOS on a non-system volume, you must disable SIP. 2. mode "Clean install of macOS on system volume" Installing macOS on the system volume will destroy all your data. MacOS Install-v1.1.3.zip Edited November 20, 2025 by Sergey_Galan 10 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/ Share on other sites More sharing options...
Max.1974 Posted July 16, 2025 Share Posted July 16, 2025 Thanks @Sergey_Galan !! Your apps is awesome!!! 2 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837226 Share on other sites More sharing options...
LockDown Posted July 16, 2025 Share Posted July 16, 2025 (edited) I can't test atm. looking at your script seems correct! 👍 Droplet would also be nice to choose the macOS Installer Edited July 16, 2025 by LockDown 2 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837227 Share on other sites More sharing options...
Sergey_Galan Posted July 16, 2025 Author Share Posted July 16, 2025 1 minute ago, Max.1974 said: Thanks @Sergey_Galan !! Your apps is awesome!!! Thanks friend for the tip))) 1 minute ago, LockDown said: I can't test atm. looking at your script seems correct! 👍 I can't understand why installing on a separate disk requires disabling SIP, but a clean installation on a system disk with data loss does not require it))) 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837228 Share on other sites More sharing options...
LockDown Posted July 16, 2025 Share Posted July 16, 2025 8 minutes ago, Sergey_Galan said: I can't understand why that makes it both of us 😃 2 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837230 Share on other sites More sharing options...
Anto65 Posted July 16, 2025 Share Posted July 16, 2025 (edited) 😋 😋 😋 Arrivoooooo Edited July 16, 2025 by Anto65 2 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837231 Share on other sites More sharing options...
Anto65 Posted July 16, 2025 Share Posted July 16, 2025 Maybe I'm doing something wrong, but it seems a bit too fast to me. 🤔 https://limewire.com/d/hQimK#49zQUKHTud 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837235 Share on other sites More sharing options...
Anto65 Posted July 16, 2025 Share Posted July 16, 2025 (edited) In fact that's what I would like to understand ... it's not working here , first it was an old HDD to test , but even on SSD it does the same thing , SIP 03080000 Edited July 16, 2025 by Anto65 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837239 Share on other sites More sharing options...
LockDown Posted July 16, 2025 Share Posted July 16, 2025 (edited) SIP disabled @Anto65? Check log Edited July 16, 2025 by LockDown 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837241 Share on other sites More sharing options...
Anto65 Posted July 16, 2025 Share Posted July 16, 2025 (edited) 5 minutes ago, eSaF said: I will have a play and see what result I get. Will report findings later good or bad. See, it's never boring here? Imagine pressing the power button on an M4/5 and everything works... how boring ! 😂 1 minute ago, LockDown said: SIP disabled @Anto65? 03080000 Isn't that enough ? Edited July 16, 2025 by Anto65 2 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837242 Share on other sites More sharing options...
LockDown Posted July 16, 2025 Share Posted July 16, 2025 Run it again & check the log 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837243 Share on other sites More sharing options...
Anto65 Posted July 16, 2025 Share Posted July 16, 2025 1 minute ago, LockDown said: Run it again & check the log MacOS Install-Output.txt.zip It's OK for him 😃 1 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837244 Share on other sites More sharing options...
LockDown Posted July 16, 2025 Share Posted July 16, 2025 Log says "Ok...." refers to privilege. 2 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837247 Share on other sites More sharing options...
Anto65 Posted July 16, 2025 Share Posted July 16, 2025 Yet from Sergey's images it seems to work... I try to move the installer Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837248 Share on other sites More sharing options...
Anto65 Posted July 16, 2025 Share Posted July 16, 2025 Nothing same, copied the installer to the Apps, since it is saved on an exfat disk I thought it was a writing/reading problem eSaF , Internal Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837251 Share on other sites More sharing options...
LockDown Posted July 16, 2025 Share Posted July 16, 2025 apfs? Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837252 Share on other sites More sharing options...
Anto65 Posted July 16, 2025 Share Posted July 16, 2025 Of course 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837253 Share on other sites More sharing options...
LockDown Posted July 16, 2025 Share Posted July 16, 2025 sadly i cant test. Im sure il be getting same error as you guys Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837254 Share on other sites More sharing options...
Cyberdevs Posted July 16, 2025 Share Posted July 16, 2025 1 hour ago, Sergey_Galan said: I can't understand why installing on a separate disk requires disabling SIP, but a clean installation on a system disk with data loss does not require it))) There is a file called .IAPhysicalMedia in the macOS Installer.app which needs to be transferred to the destination disk for making it properly bootable, when SIP is enabled and when you deploy the createinstallmedia or startosinstall through an application without proper security frameworks implemented in the app to elevate the application's permission (which mostly require apple provisioning profile if you use xcode and want to sign the app) it won't work and SIP is blocking the file transfer. When you use the same commands in terminal it works regardless of the SIP's status. 2 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837256 Share on other sites More sharing options...
Anto65 Posted July 16, 2025 Share Posted July 16, 2025 my SIP 03080000 , more than this? Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837257 Share on other sites More sharing options...
Cyberdevs Posted July 16, 2025 Share Posted July 16, 2025 Just now, Anto65 said: my SIP 03080000 , more than this? That should work and if it doesn't work try disabling SIP in the OC's picker regardless of the csr-active-config. I'm preparing an external SSD to test the app on my old MBP which SIP is fully enabled to see how the app works. 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837260 Share on other sites More sharing options...
Anto65 Posted July 16, 2025 Share Posted July 16, 2025 It might be an idea, but that 0x27f value is not enough for MKInstaller 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837263 Share on other sites More sharing options...
Sergey_Galan Posted July 16, 2025 Author Share Posted July 16, 2025 I'm here again))) I have SIP 67080000 Checked it again - it works! The script has a check for SIP, but only when it is enabled. There is no check for different values. 1 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837266 Share on other sites More sharing options...
Max.1974 Posted July 16, 2025 Share Posted July 16, 2025 Nice. I will test this SIP when coming at home. 1 Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837267 Share on other sites More sharing options...
Sergey_Galan Posted July 16, 2025 Author Share Posted July 16, 2025 1 hour ago, Anto65 said: MacOS Install-Output.txt.zip 581 B · 5 downloads It's OK for him 😃 Yes, it's not much use, next time I'll install print. Link to comment https://www.insanelymac.com/forum/topic/361362-a-program-for-installing-macos-without-using-an-installation-flash-drive/#findComment-2837268 Share on other sites More sharing options...
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