High Sierra Installer Download
MacOS High Sierra v10.13.3 (17D47) Download Latest Version for Mac. It is Full Bootable ISO Image of MacOS High Sierra v10.13.3 (17D47).

MacOS High Sierra v10.13.3 (17D47) Overview
How to Download a Full macOS High Sierra Installer App.
MacOS High Sierra v10.13.3 is the latest version of macOS which is introducing APFS, HEVC video, Metal 2, VR support, Safari and Siri updates. MacOS High Sierra is the follow up to macOS Sierra and has been developed for enhancing on macOS Sierra through many major updates. With MacOS High Sierra v10.13.3 the focus is on fundamentals which includes data, video and graphics. You can also download Niresh Mac OSX Mountain Lion 10.8.5 ISO.
- Download Full High Sierra Installer to Create Bootable USB. For offline installation you can create a bootable USB to install Sierra.
- Are you looking for a direct download link for MacOS High Sierra ISO installer or dmg file for your Mac or Windows computer or virtual machine then you are at the right place. VirtualBox, Vmware.
MacOS High Sierra v10.13.3 provides platform for the future innovation while introducing the new technologies in order to make the Mac more reliable, responsive and capable. Apple File System (APFS) is the new default and modern file system which is safe and secure. This file system has been optimized for modern storage systems like solid state drives. It also includes safe document saves, crash protection, stable snapshot and native encryption. It also includes High Efficiency Video Encoding which will save better details as well as color while introducing enhanced compression compared to H.264. MacOS High Sierra v10.13.3 has also got Metal 2 which is the next generation version of Apple’s Metal graphics API. Metal 2 will bring the support for machine learning, VR content creation and external GPUs. This version has main emphasis on under the hood performance enhancments, bug fixes as well as security improvments. All in all MacOS High Sierra v10.13.3 is a new and impressive version of macOS. You can also download Mac OSX Mountain Lion 10.8.

Features of MacOS High Sierra v10.13.3
Below are some noticeable features which you’ll experience after MacOS High Sierra v10.13.3 free download.
- Latest version of macOS which is introducing APFS, HEVC video, Metal 2, VR support, Safari and Siri updates.
- Got focus on fundamentals which includes data, video and graphics.
- Provides platform for the future innovation while introducing the new technologies in order to make the Mac more reliable, responsive and capable.
- Got Apple File System (APFS) is the new default and modern file system which is safe and secure.
- Includes safe document saves, crash protection, stable snapshot and native encryption.
- Includes High Efficiency Video Encoding which will save better details as well as color while introducing enhanced compression compared to H.264.
MacOS High Sierra v10.13.3 Technical Setup Details
- Software Full Name: MacOS High Sierra v10.13.3 (17D47)
- Setup File Name: macOS_10.13.5_High_Sierra.dmg
- Full Setup Size: 4.9 GB
- Setup Type: Offline Installer / Full Standalone Setup
- Compatibility Architecture: 64 Bit (x64)
- Latest Version Release Added On: 10th Jun 2018
- Developers: MacOS
System Requirements For MacOS High Sierra v10.13.3
Before you start MacOS High Sierra v10.13.3 free download, make sure your PC meets minimum system requirements.

- Memory (RAM): 1 GB of RAM required.
- Hard Disk Space: 2 GB of free space required.
- Processor: Intel Dual Core processor or later.

MacOS High Sierra v10.13.3 Free Download

Click on below button to start MacOS High Sierra v10.13.3 Free Download. This is complete offline installer and standalone setup for MacOS High Sierra v10.13.3. This would be compatible with 64 bit windows.
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This Post was Last Updated On: February 27, 2020
Have you ever thought of carrying your Mac OS on an external device and gain access to it at any time? If the reaction is yes, then you have arrived at the right post. We will be providing you with the information through which you can install macOS High Sierra on an external drive.
Part 1. How to Install macOS High Sierra on the External Drive
Before beginning the process, there are a few requisites that you must meet. You will need an external drive with a minimum capacity of 16 GB, and second, you will need the copy of the macOS High Sierra installer. You can obtain the installer from the App Store by searching for 'macOS' and download it to your Mac hard drive.
Step 1: Formatting the External Drive
To allow the external drive to function as the startup disk, you need to format it to Mac OS Extended and employ GUID partition map. Start the utility disk. You can find it under the Applications category or search it using Spotlight.
As utility disk runs in the background, you can check for the format of the external drive. In the following example, the drive is in Master Boot Record format. First, unmount the drive. After unmounting, you can select the same drive from the left of the window as shown in the figure below. Now, from the tabs that appear in right window, choose 'Erase' option.
In the next window, you can now format the external drive as 'Mac OS Extended' and opt for GUID Partition Map. If you choose to, you can also give it a name. Press 'Erase' to proceed. After completion, you will see the following screen. Press 'Done' to proceed.
Step 2: Installing macOS High Sierra on the External Drive
After you complete the download of the macOS installer, double click the same from the Applications folder to begin the installation procedure. Press 'Continue' in the following screen.
Click 'Agree' to the accept license agreement. In the next window, press the 'Show all disks' option. The window will display the local drive and the connected external drive. Choose the external drive in this case. You will have to key in your system user name and password.
macOS High Sierra will begin installing on the selected external hard disk. It requires some time to complete the task. You can wait until the process is complete. Before it completes the installation, the Mac will restart. Therefore, it is preferable to save any other work that is in progress.
After restarting, the Mac will take a minimum of 15 minutes to complete the installation process. It will then reboot from the new device. You then have to proceed with the general process of activating Siri, time zone, and adding the user account. Once you complete these actions, you will possess the new version of macOS High Sierra on your external drive. Do not remove the external drive, as Mac OS will access the files on the drive periodically. You can now use the same every time you wish to use High Sierra.
Part 2. How to Use macOS High Sierra with the Bootable Hard Drive
As you now have macOS High Sierra in the form of bootable hard drive, you can use it with another compatible Mac or when the situation demands. However, remember that using the external device as a bootable drive will slow down the functioning of the system. More importantly, it is useful only when you are facing trouble with your existing internal drive of the Mac.
The following information will be helpful in case if you choose to use macOS High Sierra with the bootable hard drive:
Step 1: If there is a trouble with the current hard disk, and you wish to solve it or use the new version of the OS, then plug the bootable external drive to the Mac.
Step 2: Power on the machine and hold the option button until you notice the recovery screen appear. From the screen, you can choose the bootable external device that you have created.
Step 3: You will boot into the macOS High Sierra version for that particular session.
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