Unzip the file you have downloaded from Themeforest and then unzip the fuse-vX.X.X.zip file inside it.
After you unzip the file, open a terminal and navigate to the folder where you unzipped the file. Make sure you are in the same folder with the package.json file before you run the installation command.
To complete the installation, enter the following command:
npm installThis command will take some time and install all the required libraries into the node_modules directory in order for you to start developing.