Install froxlor from source using git 
ATTENTION
Please execute the following instructions only if you know what will happen. This is a development version and should only be used for testing purposes as new features may not be tested.
HELP WANTED
We are happy about everyone who actively supports froxlor in development, feel free to test new features and leave feedback on our Discord.
1. Download/install git 
In order to use git you have to install git on your target-system. See the official git-scm page for more: https://git-scm.com/download/linux
2. Get the files 
Connect to a shell on your server and change the directory to /var/www/html/.
cd /var/www/html/Now you can 'clone' the froxlor repository using the following command. It will store the files into the given target-directory froxlor (/var/www/html/froxlor/).
git clone https://github.com/Froxlor/Froxlor.git froxlor3. Download dependencies 
Froxlor 2.x is composer and npm based. In order to use the development version you need to install composer and npm.
cd /var/www/html/froxlorDownload required libraries via composer:
composer install --no-devDownload and build javascript/css:
npm install
npm run build4. Proceed with installation and configuration 
Now follow the general installation documentation starting with step 2: Install froxlor from tarball
 froxlor Documentation
froxlor Documentation