You're looking for information on downloading the documentary series "Cosmos: A Spacetime Odyssey" in 1080p resolution. Here's what I found:

"Cosmos: A Spacetime Odyssey" is a documentary series hosted by astrophysicist Neil deGrasse Tyson, exploring the universe and our place within it. The series is a follow-up to Carl Sagan's classic "Cosmos" series from the 1980s.

Please be aware of copyright laws and fair use policies in your region. Downloading copyrighted content without permission may be illegal.

The file size of a single 1080p episode can range from 4-6 GB, depending on the encoding and compression. If you're looking for a specific file size or quality, make sure to check the specifications before downloading.