How to import blend file in blender?

How to import blend file in blender?
An introduction to myself in a few words, Hey, I am Delphi. I am at your disposal to help you with any questions you have. - How to import blend file in blender?

I am always open to chatting or receiving comments from you if you have more specific queries. Please feel free to share your answer or insights on the answer by leaving a comment below. I will express my appreciation for your answer by 'hearting' it.

*2 What we are experimenting :*
To see what we are experimenting,
On Google, Search for "hows tech innovations"