
Locate the biggest files on your computer:. Here are some ideas to free up space on your drive: Next, you will need enough disk space available, for example, to create Recovery Partition. Note, that it is recommended that you install OS on a clean drive. The chart below tells you how much free space is needed. One more argument is that the free space on your disk translates into virtual memory so your apps have “fuel” to operate on. This includes not just space for the OS itself but also space for other applications and your user data. Given your Mac isn’t new and is filled with data, you will probably need enough free space on your Mac. Once you have it chosen, click and drag your USB Thumbdrive from the left pane to the Destination box. Click on the Browse button and locate the.dmg installer for OS X Lion. On the right pane, go to the Restore tab. 4.Click on “Image” and go to the DMG File with macOS Sierra named “Install macOS Sierra.dmg” and click “Open”. Now the USB flash drive is prepared you can Restore 'Install macOS Sierra.dmg” to your USB flash drive. Select Mac OS X Extended (Journaled) from the Format dropdown menu. To install Mac OS X, you're going to need a USB with at least 16 GB of free space. #Mac os x snow leopard dmg file download for mac os x#
In such cases, you can use TransMac to burn the DMG file for Mac OS X (whatever version you want to install on your broken Mac) to a USB drive and do the installation that way. We’ll be repeatedly referring to these Apple OS versions below, so it’s good to know the basic macOS timeline. Further down we’ll explain where to get one and what problems you may face down the road. Finally, if you want to run a parallel copy of Mac OS X on a virtual machine, you too will need a working installation file of an older Mac OS X.
Also, you may have noticed your Mac’s performance went down right after the last update. To begin with, some of your apps may not be working properly (or simply crash) on newer operating systems. There are many reasons that could point you to this radical decision.
So, you’ve decided to download an older version of Mac OS X.