Work offline with bootstrap without relying on the CDN and you might want to tinker the bootstrap source code as well and customize it according to your system requirements.
Jump to the following timestamp if you don't need the introduction:
3:13 - Using npm install command
12:29 - More beginner-friendly to install bootstrap (my opinion)
Another way to install bootstrap
• HOW TO INSTALL BOOTSTRAP 5 LOCALLY ON WIND...
Check out my web development course in HTML, CSS and JavaScript
https://www.udemy.com/course/complete...
Git and Node JS
https://git-scm.com/downloads
https://nodejs.org/en/download/