The good news: you can sort them into perfect rows with the click of a button. The Finder can get a bit messy at times as you realize you can drag files on top of one another. Use Spotlight Search at any time to find files of any type, do mathematical equations, and more. MacOS makes it extremely easy to find the files you're looking for. MacOS comes equipped with a full set of customization options that allow you to switch between light and dark modes, set your desktop background, adjust the font size, and do much more. You can find the full set of apps that come with macOS on Apple's website. Macs leave little to be desired in this department. Send texts over Wi-Fi using iMessage, connect with your relatives across the globe with FaceTime, and download your favorite apps from the App Store. MacOS comes equipped with a full set of familiar apps you may have used on other devices in the Apple ecosystem. Note: If you're familiar with older macOS versions, you may note the absence of the start-up chime on newer Macs.

Finally, to boot from your install disk/drive and install Mountain Lion, restart your Mac and hold the Option key down when you hear the startup chime.Log in using Touch ID if you have a compatible MacBook or use your chosen alphanumeric password on other Mac models.

Now click the Restore tab and choose the DMG file as your source and the USB drive as the destination.

Hit Apply to format-which will completely erase-the drive.

Click the Options button and choose “GUID Partition Table”-this will make the drive bootable and formatted correctly for the Mac.

Select the Partition tab, select “1 Partition” from the dropdown menu and choose “Mac OS Extended (Journaled)” for the format type.

Insert the disk and select it in the sidebar in Disk Utility.

If you’re burning to USB, you’ll need to first format the drive properly:.

If you’re burning to DVD: insert your disk, select the DMG file in the sidebar, and hit “Burn.” Skip to step 6.

Open up Disk Utility from your Applications > Utilities folder and drag the DMG file into the sidebar on the left.Find the installer in your Applications folder and right-click on it then select “Show Package Contents.” Head to Contents > SharedSupport and look for the file called “InstallESD.dmg”.Download Lion from the Mac App Store-but don’t install it yet, because of the disappearing installer issue noted above.The steps for burning Mountain Lion to disk are essentially the same as the ones for Lion:

Mac app uninstaller lifehacker