Alright! No worries we’ll go through this together 
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Before starting here are a few basic Unix commands that you want to know:
cd name_of_the_directory : change directory, you’ll move yourself to the desired directory (move backward: cd .. )
ls : list all files and folders in the current directory
pwd : gives you the absolute pathname of the current working directory
mkdir name : creates a directory called ‘name’
sudo name_of_command : Will execute the command as a root user.
You can have more info for each of these commands by typing :
man name_of_command (e.g man ls)
Now that you know that, we can start our installation process.
If you want to install Umbrel at the root of your drive you can just use the installation script:
curl -L https://umbrel.sh | bash -s
If you want to install Umbrel on a custom location, you want to specify to the install script the path of the folder in which you wish to install Umbrel.
(you can move in & out from a directory using cd, and get the full path of this directory using pwd while you are in it)
In your Terminal, I can see that you have already created a directory called ‘umbrel’, in your main Drive (~/umbrel/)
So if you want to Install Umbrel specifically in this location you can use the install script & specify the Umbrel directory path.
curl -L https://umbrel.sh | bash -s – --install-path ~/umbrel
As it looks that the umbrel folder is already in your main drive you could just use the basic installation script:
curl -L https://umbrel.sh | bash -s
If you have any issues during the installation, please provide a picture or a trace of what you did and which error you got (You can share text using pastebin.com)
Keep us posted!