Let start things off with an older version of macOS as one of the problems I find is people jump to far up at once. Doing it in stages while a bit longer is more likely to get you going sooner!
So lets get to what the system had. Do you know (ask the seller) what it was running? I would then install that download the installer from here [link|https://support.apple.com/en-us/HT211683|How to get old versions of macOS]
As to getting it you really need to use a Mac system to setup the bootable OS installer USB thumb drive.
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If you are able to get to the internet recovery (getting to disk utility) you should be able to first format your thumb drive with GUID and a journaled file system. Then you should be able to copy over the installer file to it following this guide to set it up [link|https://www.macworld.com/article/3092900/how-to-create-a-bootable-macos-sierra-installer-drive.html|How to create a bootable macOS Sierra installer drive] you’ll find other guides listed if you are using something else]
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If you are able to get to the internet recovery (getting to disk utility) you should be able to first format your thumb drive with GUID and a journaled file system. Then you should be able to copy over the installer file to it following this guide to set it up [link|https://www.macworld.com/article/3092900/how-to-create-a-bootable-macos-sierra-installer-drive.html|How to create a bootable macOS Sierra installer drive] you’ll find other guides listed if you are using something else.
Let start things off with a older version of macOS as one of the problems I find is people jump to far up at once. Doing it in stages while a bit longer is more likely to get you going sooner!
+
Let start things off with an older version of macOS as one of the problems I find is people jump to far up at once. Doing it in stages while a bit longer is more likely to get you going sooner!
-
So lets get to what the system had. Do you know (ask the seller) what it was running? I would then install that download the installer from here [https://support.apple.com/en-us/HT211683|How to get old versions of macOS]
+
So lets get to what the system had. Do you know (ask the seller) what it was running? I would then install that download the installer from here [link|https://support.apple.com/en-us/HT211683|How to get old versions of macOS]
As to getting it you really need to use a Mac system to setup the bootable OS installer USB thumb drive.
-
If you are able to get to the internet recovery (getting to disk utility) you should be able to first format your thumb drive with GUID and a journaled file system. Then you should be able to copy over the installer file to it following this guide to set it up [https://www.macworld.com/article/3092900/how-to-create-a-bootable-macos-sierra-installer-drive.html|How to create a bootable macOS Sierra installer drive] you’ll find other guides listed if you are using something else]
+
If you are able to get to the internet recovery (getting to disk utility) you should be able to first format your thumb drive with GUID and a journaled file system. Then you should be able to copy over the installer file to it following this guide to set it up [link|https://www.macworld.com/article/3092900/how-to-create-a-bootable-macos-sierra-installer-drive.html|How to create a bootable macOS Sierra installer drive] you’ll find other guides listed if you are using something else]
Let start things off with a older version of macOS as one of the problems I find is people jump to far up at once. Doing it in stages while a bit longer is more likely to get you going sooner!
So lets get to what the system had. Do you know (ask the seller) what it was running? I would then install that download the installer from here [https://support.apple.com/en-us/HT211683|How to get old versions of macOS]
As to getting it you really need to use a Mac system to setup the bootable OS installer USB thumb drive.
If you are able to get to the internet recovery (getting to disk utility) you should be able to first format your thumb drive with GUID and a journaled file system. Then you should be able to copy over the installer file to it following this guide to set it up [https://www.macworld.com/article/3092900/how-to-create-a-bootable-macos-sierra-installer-drive.html|How to create a bootable macOS Sierra installer drive] you’ll find other guides listed if you are using something else]