How to download and install older versions of macOS?

If you’re a developer or someone who likes to play around with older versions of macOS for any reason, it’s important to know how to download and install older versions of macOS. That way, if there’s a problem with the latest version of macOS that you have installed on your MacBook computer, you can use an older version instead. In this post, we’ll show you the steps required to do just that.

So, you want to install an older version of macOS on your MacBook? But the older versions have enormous amounts of bugs that need to be patched and run older software with outdated standards. Well, that seems rather counterproductive. But hey! We’re not judging you! You might want the older version back just for the sake of utilizing software that doesn’t work properly on the newer version or even just to experience nostalgia. We are here to guide you on how to download and install the older macOS, so let’s begin!

System Requirements to install older versions of macOS

Now, if you want to run the older versions, there are some stuff that you might want to tick off the checklist as given below:

1. Make sure that the Mac you have meets the system requirements of running the older versions of macOS (it just isn’t possible with newer Macs as its specifications would not exactly align with those of older ones). Now, the question is how can you run an older version of macOS on your system? Here’s how:

• Click the Apple logo on top of the macOS.

• Select “About this Mac”.

• In the overview section, you will see the model, and its specifications. Cross-check with your system’s specifications and see if your system can downgrade to the older version.

2. Create a bootable USB drive: Don’t know how to create one? Follow the given link- https://support.apple.com/en-in/HT201372#:~:text=Press%20and%20hold%20the%20Option,up%20arrow%20or%20press%20Return.
3. When restarting Mac, press and hold the Option key. Hold until you see a choice of boot options
4. After booting from your bootable USB drive, press Disk Utility
5. Select the main drive from the list on the left and click erase.
6. Give the drive a name and set the format as OS X Extended (Journaled). This is to keep track of the system
7. The scheme has to be GUID Partition Map.
8. Press Erase and then allow Disk Utility to wipe your drive.