Then click the Get button or iCloud download button. Or use this link to open the macOS Monterey page on the App Store: Get macOS Monterey.
Though it goes against Apple tradition, Apple has (thankfully) released 10.9 for free as long as you have the system requirements to run 10.8 a simple Google search will help you determine that. If you're using macOS Mojave or later, you can get macOS Monterey via Software Update: Choose Apple menu > System Preferences, then click Software Update. macOS Sierra can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion or Lion. Open that app from your Applications folder to start installing the operating system. You can up- grade from 10.5.8 to 10.6 by purchasing the installation DVD for $19.99 (w/ free shipping), then up- date 10.6 to 10.6.8, for free using the Apple Software Update application already installed on your iMac. It will install an app named Install Version Name. So rest assured, you can upgrade all the way up to Mavericks if you so desire. If you are sure you bought it brand new in stores between 2009-2010, it was probably what Wikipedia calls the Early 2009 model.Įven if all of the previous deductions were incorrect, as long as you are 100% certain that the iMac has an aluminum housing (i.e., the outside is gray, and not white), then even in the worst-case scenario in which your iMac is from Mid 2007, you are guaranteed to be able to install OS X 9 (Mavericks).
Step 4 Press the Continue button and wait for the installation to begin.
Step 3 Once the download is done, the El Capitan installer will pop up on your screen. Are you looking for a secure guide to upgrade Mac OS X to El Capitan 10.11.6 without losing any data Follow this page, we'll guide you to complete the El Capitan upgrade process on your Mac. Thus, you must have what Wikipedia calls an Aluminum iMac. Download OS X El Capitan 10.11.6 Update Download OS X El Capitan 10.11.4 update Step 2 From the official El Capitan page, you can download your required version. Since 10.6 (Snow Leopard) came out in August 2009, and since Unibody iMac was released in October 2009, it can be assumed that you don't have a Unibody iMac. …do you mean that the iMac was bought brand new (i.e., the newest model available in stores in the 2009-2010 time frame), or did you potentially buy an older model (i.e., from 2007-2008) in the 2009-2010 time frame?īecause you have OS X 10.5.8 (Leopard) currently, and assuming that you never downgraded your OS X, you can narrow down which iMac model you have.
Open that app from your Applications folder to begin installing the operating system.I remember for sure that the computer was bought around 2009-2010 Some times we want a fresh start, so here is how to format and reinstall Mac OS X 10.6.As far as I know, it is same procedure for earlier Mac OS X versions.F. Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg.