Install .tar.xz Files.txt

Best Way is 3rd
================Way 1=====================
$ sudo apt-get install xz-utils
(open terminal in file folder then type)
$tar xvfJ FILENAME.tar.xz
$ sudo cp -r node-v14.15.5-linux-x64/{bin,include,lib,share} /usr/

================Way 2=====================
1. Right click file and extract file here
2. Open same Folder in terminal (not the one after extracting)

(type this command in terminal with your node file version. Following is 14.15.2)
sudo cp -r node-v14.15.5-linux-x64/{bin,include,lib,share} /usr/


================Way 3=====================
$ sudo apt-get install xz-utils

(open terminal in file folder then type)
$ sudo tar -xf FILENAME.tar.xz
$ sudo cp -r node-FILE-VERSION-linux-x64/{bin,include,lib,share} /usr/