Go to https://www.blender.org/download/
Choose your operating system
Click the proper mirror next to the version of blender for your operating system. You can usually just click the mirror closest to your current location. (more info)
Also, at the bottom of the page are also...
# not all of this is required, but just here for reference
bl_info = {
"name": "Hello World", # name of the add-on
"author": "Blender developer", # name of the author
"version": (1, 0), ...
Blender's viewport is a dynamic, changeable interface composed of many different windows. With the program running by default, the viewport is composed of 5 different windows. Windows can be identified by looking for their small square indicator icons either in the top or bottom-left corner. They ma...
