Steps to download and install node in ubuntu
Step 1: Download latest or recommended node .tar.xz file from https://nodejs.org/en/
or you can download node version 14.15.5 (.tar.xz file) directly from here ->
Step 2: Go to the directory in which (.tar.xz file) is downloaded.
In my case –> /Download directory
Step 3: Update System Repositories
sudo apt update
Step 4: Install the package xz-utils
sudo apt install xz-utils
Step 5: To Extract the .tar.xz file
sudo tar -xvf name_of_file
In my case –> sudo tar -xvf node-v14.15.5-linux-x64.tar.xz
Step 6: sudo cp -r directory_name/{bin,include,lib,share} /usr/
In my case –> sudo cp -r node-v14.15.5-linux-x64/{bin,include,lib,share} /usr/
Step 7: Check the node version
node --version
Result In my case -> v14.15.5