Is it necessary to install bootstrap packages do we have other alternatives?

For using bootstrap you have to first include bootstrap package. You can do using 2 methodbr /1.) Download package and give path of your package using link tagbr /Follow this link to download filesbr /a rel='nofollow' href='https://getbootstrap.com'https://getbootstrap.com/abr /2.) just add following code in your website.. It will directly include bootstrap package you dont need to download bootstrap filesbr /<link rel="stylesheet" href="a rel='nofollow' href='https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css>'https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css>/a