In the guide, we will learn How to Create macOS Catalina Bootable Installer for Clean Installation. With macOS Catalina Bootable Installer you can simply use it to install macOS Catalina on your MAC. The steps are pretty easy, so you can simply sit back and relax and read this guide on How to Create macOS Catalina Bootable Installer for Clean Installation.
Double-Click on the executable file to launch the installer. Choose 'I accept the agreement' option. Select destination to install. Select Symlink for Node.js. Click on Install & once it completes, click on the 'Finish' button. Finally, run the three following commands to install the latest version of Node: nvm install node nvm use node nvm alias default node After installing, you can verify everything is working by running nvm list. If NVM has installed correctly, this will output the existing versions of Node and indicate which version is currently set to default. Select the HDD and click Continue: The macOS Big Sur / Catalina (depending on which image you chose) installation will now start: After a while, the mac OSX virtual machine will restart. Choose the macOS Installer entry on boot: Once the installation has finished, this boot entry becomes just 'macOS', and allows you to boot into your new macOS.
For Windows PC, you can use this guide- How To Create macOS Catalina Bootable USB on Windows: 4 Easy Steps (+Video Tutorial)
Who can upgrade?
- MacBook (early 2015 or newer);
- MacBook Air (mid-2012 or newer);
- MacBook Pro (mid-2012 or newer);
- Mac mini (late 2012 or newer);
- iMac (late 2012 or newer);
- iMac Pro (2017 or newer);
- Mac Pro (late 2013 or newer).
As you can see, the update is very democratic. Even the old computers seven years ago got a new version of macOS.
How to Create macOS Catalina Bootable Installer for Clean Installation: Things Required
- A USB Drive or an external drive with a minimum of 16GB free space.
- macOS Catalina Installer File. (Links provided below)
Easy steps to Create macOS Catalina Bootable Installer
Step 1: Download the latest version of the macOS Catalina Installer File.
You can get the latest version of macOS Catalina from the Apple App Store.
Or, you can download it from the links provided below.
After the download is complete, do not proceed to install the macOS. Instead, close the installer and go to your application and look out for the installer file.
NOTE: The macOS Catalina Installer File must be present in your application folder to proceed with this tutorial.
Step 2: Create macOS Catalina Bootable Installer
To create a macOS Catalina Bootable Installer file, we will be using Terminal from the Applications with the help of a macOS Catalina Installer File.
Now, insert your USB drive or the external drive into the USB port. Before proceeding with the installation, we need to format the USB drive. Now, open the Disk Utility and click on your pen drive and click Erase.
Title: USBFlashDrive
Format: Mac OS X Extended (Journaled).
Scheme: GUID Partition Map.
Once the USB disk has been erased, close the disk Utility and open the Terminal from Applications or Launchpad.
Type the following command.
Note: USBFlashDrive at the end of the comment is the name of the USD drive that you have kept.
Enter your password and wait for the process to finish.
If you are using a Windows PC, you can use this guide- How To Create macOS Catalina Bootable USB on Windows: 4 Easy Steps (+Video Tutorial)
How to Install macOS Catalina from Bootable Installer
- Insert the Bootable Installer to your MAC.
- Restart your Mac.
- Power to the Mac and hold on to the Options button on the keyboard.
- Select the macOS Catalina alternative from the drop-down menu.
- Then, the utility window will be opened, you have to pick the disk drive utility. You need to erase the drive that you would like to install macOS Catalina into.
- Once you’ve finished then click on the Install button and then wait for the setup to complete.
How to Create macOS Catalina Bootable Installer for Clean Installation: Final Words
It was all about How to Create macOS Catalina Bootable Installer for Clean Installation. You can also make a bootable installer for macOS Catalina on Windows, but it needs a lot of time. Here is the guide that you can use- How To Create macOS Catalina Bootable USB on Windows: 4 Easy Steps (+Video Tutorial). In Mac, it has some easy actions to be carried out. If you face any problems, don’t be afraid to leave comments in the comment section below. Here are some Common macOS Catalina Problems and Solutions: 11 Key Errors and their Fix
You can also read: How to Speed Up macOS Catalina? 7 Easy Methods
How Install Nvm On Mac
There are a lot of reasons to install NVM and switch between each Node version. Here is the solution to do it on MacOS...
NVM, or Node Version Manager, is a tool that allow user to manage on his system many versions of Node.
When you do application maintenance, stacks evolving very quickly, you have to be able to go back to an old version / configuration. For instance, if you develop with Ionic v3, you probably will not have the time, the possibility, the budget to upgrade to the v4 version. But you will still have to use it to generate the assets, the resources ... which correspond to the last requirements of the stores.
Homebrew installation
Homebrew is used to install NVM. If you have'nt this tool, please install it.
Otherwise, update your Homebrew version with the following command:
NVM installation
To install NVM, execute the following commands:
NVM configuration
The article bellow depends of your shell installation / configuration. From the MacOS Catalina, ZSH is used by default. Click here for more information.
Execute the following commands according your shell:
Add the following lines in file:
Save then load the file with the following commands:
Node installation
When NVM is installed and configured, you can install Node.
To check that NVM is correctly installed, execute the following command: nvm --version.
Then execute:
Optimize the configuration
When some versions of Node are installed, it is interesting to launch the right version at shell startup and avoid using the instruction nvm use.
To do that, you shall define the alias default with the following command:
I hope all this has been helpful.
See you in the next article.