iMessage is pre-programmed in all Mac computers, and it comes automatically installed with a new operating system. If you have not activated it on your Mac computer, you can first confirm whether the app is installed or not.
You can do this by checking for ‘Messages’ in Spotlight search which is a system search tool native to all Apple devices or via the Applications folder. There’s specific iMessage application on mac.
In case you don’t find iMessage on your mac, you can try the following:
- Check if you are running OS Mountain Lion (Mac OS 10.8) or higher.
- If your Mac is older than the version mentioned above, then you need to download the latest OS X that your computer allows.
- If you cannot get your hands on an OS X install disk, you can download it from the App Store if you had downloaded it before.
- Installation files and OS upgrades are all available through the App Store. If you reinstall the Mac operating system, it automatically downloads and installs iMessage on your Mac. First, ensure you have a Backup of everything.
- Open the Mac App Store by choosing Store and signing in if you need to log in.
- Click Purchased.
- Scroll down to find the copy of OS X you want.
- Click Install.
- Once the download completes, the installer will automatically open. Follow the on-screen steps and OK the installation of the new operating system.
- The Mac device may restart a few times, and when it’s done, you will have a fresh install of iMessage.
- If you can’t find it in Purchased, you can try logging out of the App Store then logging in again.
- An alternate solution is finding someone who has downloaded that version of the Mac operating system and asking them to download the installation file for you.
Restoring iMessage from Backup
- One easy way of getting iMessage back on to your Mac is by restoring it from back up which requires that you have backed up your Mac previously to an external hard drive.
- This would most likely have used Apple’s built-in backup app, Time Machine which backs up everything including apps.
- Connect the external hard drive you use to back up to your Mac.
- It will likely mount onto your desktop, and you can double click the icon.
- Once it opens navigate to the Applications folder on the external hard drive, and you should notice the iMessage app in the folder.
- Simply drag and drop it on to the desktop or the computers application folder and this brings iMessage back on to the computer where you don’t even have to download it.
Fresh OS X Install
- If the above options fail to download iMessage for Mac, you may want to try doing a fresh install of the computer.
- This involves wiping everything, so it is essential to ensure that you have a backup of everything beforehand on an external hard drive.
- Restart your computer and as it restarts hold down the Command + R keys
- Select Disk Utility and click continue.
- Select your hard drive on the left and click on the Erase tab.
- Once erased you can quit the disk utility.
- You should then reconnect to WIFI to continue.
- Choose to reinstall your Mac OS X and go through the guide step by step. This will install a fresh copy of the operating system where you will undoubtedly have iMessage on your computer.