If a file size seems too good to be true, your PC is about to become a "highly compressed" paperweight.
Technical feasibility
Technically, extreme compression exists, but it rarely works the way you expect for a modern AAA title. gta 5 highly compressed 10 gb work
Then, a chime. Download complete.
The extraction finally finishes, but when you check the folder, the results are almost always one of three things: If a file size seems too good to