Mac Lion OS X 10.7 - InstallESD.dmg File: Where to Get It and How to Use It
Extra Quality Mac Lion OS X 10.7 - InstallESD.dmg Download
Are you looking for a way to install Mac Lion OS X 10.7 on your old Mac computer? Do you want to download a high-quality InstallESD.dmg file that can help you create a bootable USB drive for Mac OS X installation? If yes, then you have come to the right place. In this article, I will show you what is Mac Lion OS X 10.7, why do you need InstallESD.dmg file, where to download it, how to verify its integrity, how to create a bootable USB drive with it, and how to install Mac Lion OS X 10.7 from USB drive.
Extra Quality Mac Lion Os X 10.7 - Installesd.dmg Download
Mac Lion OS X 10.7 is an older version of macOS that was released in 2011. It has many features that make it a great operating system for older Mac computers that are not compatible with the latest macOS versions. Some of these features are:
What is Mac Lion OS X 10.7?
Features of Mac Lion OS X 10.7
Launchpad: A new way to access and organize your apps in a grid-like layout.
Mission Control: A unified view of all your open windows, spaces, and full-screen apps.
Full-screen apps: A mode that lets you use your entire screen for one app without distractions.
Gestures: Multi-touch gestures that let you interact with your Mac using your fingers.
AirDrop: A simple way to share files with other nearby Mac users wirelessly.
Resume: A feature that lets you resume your apps and documents exactly as you left them after restarting your Mac or quitting and relaunching an app.
Auto Save: A feature that automatically saves your documents as you work on them.
Versions: A feature that lets you browse through different versions of your documents and revert to any previous version.
iCloud: A service that syncs your mail, contacts, calendars, reminders, notes, photos, music, and more across your devices.
FaceTime: A video calling app that lets you make face-to-face calls with other FaceTime users on Mac, iPhone, iPad, or iPod touch.
System requirements for Mac Lion OS X 10.7
To install Mac Lion OS X 10.7 on your Mac computer, you need the following:
A Mac computer with an Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor.
OS X Snow Leopard 10.6.6 or later or OS X Lion 10.7 already installed.
At least 2 GB of memory.
At least 7 GB of available disk space.
A broadband internet connection to download the installer from the Mac App Store (optional).
Why do you need InstallESD.dmg file?
If you want to install Mac Lion OS X 10.7 on your Mac computer, you need a bootable installer that contains the operating system files. One way to create a bootable installer is to use an InstallESD.dmg file, which is a disk image file that contains the Mac OS X installer.
What is InstallESD.dmg file?
An InstallESD.dmg file is a compressed disk image file that contains the Mac OS X installer. It is usually located inside the Mac OS X installation app that you download from the Mac App Store. For example, if you download the Mac Lion OS X 10.7 installation app from the Mac App Store, you can find the InstallESD.dmg file inside the app by right-clicking on it and choosing Show Package Contents. Then, navigate to Contents > SharedSupport and you will see the InstallESD.dmg file there.
How to use InstallESD.dmg file to install Mac Lion OS X 10.7?
To use InstallESD.dmg file to install Mac Lion OS X 10.7, you need to create a bootable USB drive with it. A bootable USB drive is a removable storage device that contains the Mac OS X installer and can be used to start up your Mac computer and install the operating system. To create a bootable USB drive with InstallESD.dmg file, you need the following:
A USB drive with at least 8 GB of storage capacity.
A Mac computer with OS X Snow Leopard 10.6.6 or later or OS X Lion 10.7 already installed.
An InstallESD.dmg file for Mac Lion OS X 10.7.
A software tool that can flash disk image files to USB drives, such as Etcher.
Where to download InstallESD.dmg file for Mac Lion OS X 10.7?
There are two main sources where you can download InstallESD.dmg file for Mac Lion OS X 10.7: the official source from Apple Support and the alternative source from Archive.org.
Official source from Apple Support
The official source from Apple Support is the most reliable and secure way to download InstallESD.dmg file for Mac Lion OS X 10.7. However, it requires that you have purchased Mac Lion OS X 10.7 from the Mac App Store before and that you have a valid Apple ID and password. To download InstallESD.dmg file from Apple Support, follow these steps:
Go to https://support.apple.com/en-us/HT202036 and click on Download.
Enter your Apple ID and password and click on Sign In.
The Mac Lion OS X 10.7 installation app will start downloading to your Applications folder.
Once the download is complete, right-click on the app and choose Show Package Contents.
Navigate to Contents > SharedSupport and copy the InstallESD.dmg file to your desktop or another location.
Alternative source from Archive.org
The alternative source from Archive.org is a backup option in case you cannot download InstallESD.dmg file from Apple Support. However, it is not an official source and it may not be as reliable and secure as the official one. To download InstallESD.dmg file from Archive.org, follow these steps:
Go to https://archive.org/details/MacOSX10.7LionInstallESD and click on Download Options.
Click on InstallESD.dmg to start downloading the file to your computer.
Wait for the download to finish and check the file size. It should be around 3.5 GB.
How to verify the integrity of InstallESD.dmg file?
Before you use InstallESD.dmg file to create a bootable USB drive, you should verify its integrity to make sure that it is not corrupted or tampered with. One way to verify the integrity of InstallESD.dmg file is to check its SHA1 checksum, which is a unique code that identifies the file. You can compare the checksum of your downloaded file with the official one provided by Apple Support.
How to check the SHA1 checksum of InstallESD.dmg file?
To check the SHA1 checksum of InstallESD.dmg file, you need a software tool that can calculate checksums, such as Terminal on Mac or HashTab on Windows. To check the SHA1 checksum of InstallESD.dmg file using Terminal on Mac, follow these steps:
Open Terminal from Applications > Utilities or Spotlight Search.
Type shasum -a 1 followed by a space.
Drag and drop the InstallESD.dmg file from your desktop or another location to Terminal.
Press Enter and wait for Terminal to display the checksum.
How to compare the checksum with the official one?
To compare the checksum of your downloaded file with the official one provided by Apple Support, follow these steps:
Go to https://support.apple.com/en-us/HT201372 and scroll down to OS X Lion (10.7).
Copy the SHA1 checksum listed under OS X Lion (10.7) InstallESD.dmg. It should be dcbd0f6c0f5850ea8d8e4f9d6c2f226feae0b6e4.
Paste it in a text editor or a note app and compare it with the checksum displayed by Terminal.
If they match, then your downloaded file is intact and authentic. If they do not match, then your downloaded file is corrupted or modified and you should delete it and download it again from a trusted source.
How to create a bootable USB drive with InstallESD.dmg file?
Once you have verified the integrity of InstallESD.dmg file, you can use it to create a bootable USB drive that can be used to install Mac Lion OS X 10.7 on your Mac computer. To create a bootable USB drive with InstallESD.dmg file, you need a software tool that can flash disk image files to USB drives, such as Etcher. Etcher is a free and open-source tool that works on Mac, Windows, and Linux. To create a bootable USB drive with InstallESD.dmg file using Etcher, follow these steps:
Download Etcher from https://www.balena.io/etcher/ and install it on your computer.
Insert your USB drive into your computer and make sure it is recognized by your system.
Open Etcher and click on Select Image.
Browse to the location of InstallESD.dmg file and select it.
Click on Select Target and choose your USB drive from the list.
Click on Flash and wait for Etcher to flash InstallESD.dmg file to your USB drive.
When the process is complete, eject your USB drive safely from your computer.
How to install Mac Lion OS X 10.7 from USB drive?
Now that you have created a bootable USB drive with InstallESD.dmg file, you can use it to install Mac Lion OS X 10.7 on your Mac computer. To install Mac Lion OS X 10.7 from USB drive, follow these steps:
Insert your USB drive into your Mac computer and turn it on.
Hold down the Option key while your Mac starts up until you see the Startup Manager screen.
Select your USB drive from the list of bootable devices and press Enter.
Your Mac will boot from the USB drive and launch the Mac OS X installer.
Follow the instructions on the screen to select your language, agree to the terms and conditions, choose your destination disk, and customize your installation options.
Click on Install and wait for the installer to copy the files and set up your Mac.
When the installation is complete, your Mac will restart and ask you to set up your user account, network settings, iCloud preferences, and other options.
Congratulations! You have successfully installed Mac Lion OS X 10.7 on your Mac computer.
Conclusion
In this article, I have shown you how to download a high-quality InstallESD.dmg file for Mac Lion OS X 10.7 and use it to create a bootable USB drive for Mac OS X installation. I have also shown you how to verify the integrity of InstallESD.dmg file, how to format a USB drive for Mac OS X installation, and how to install Mac Lion OS X 10.7 from USB drive. I hope you have found this article helpful and informative. If you have any questions or feedback, please feel free to leave a comment below.
FAQs
Q: Can I use InstallESD.dmg file to upgrade my existing Mac OS X version?
A: Yes, you can use InstallESD.dmg file to upgrade your existing Mac OS X version if it is compatible with Mac Lion OS X 10.7. However, it is recommended that you back up your data before upgrading and check the compatibility of your apps and drivers with the new version.
Q: Can I use InstallESD.dmg file to install Mac Lion OS X 10.7 on a virtual machine?
A: Yes, you can use InstallESD.dmg file to install Mac Lion OS X 10.7 on a virtual machine such as VirtualBox or VMware Fusion. However, you may need to modify some settings and install some drivers to make it work properly.
Q: Can I use InstallESD.dmg file to install Mac Lion OS X 10.7 on a PC?
A: No, you cannot use InstallESD.dmg file to install Mac Lion OS X 10.7 on a PC because it is designed for Mac hardware only. If you want to install macOS on a PC, you need to use a custom-made installer called Hackintosh, which is not supported by Apple and may violate their terms of service.
Q: Can I use another software tool besides Etcher to flash InstallESD.dmg file to USB drive?
Q: Can I delete InstallESD.dmg file after creating a bootable USB drive?
A: Yes, you can delete InstallESD.dmg file after creating a bootable USB drive, as you do not need it anymore. However, you may want to keep a copy of it in case you need to create another bootable USB drive in the future. dcd2dc6462