There's a Problem With the Premise Here
There is no actress named "Sang Byeok" who played Eleven in Squid Game. The character known as "Eleven" (player 001) in the Netflix series Squid Game is actually a young boy played by actor Choi Woo-shik in flashbacks, and the adult version of that character has not appeared as a central role in the released seasons. The main protagonist, Seong Gi-hun, is played by Lee Jae-hoon. There is no credited performer by the name of Sang Byeok in the production. I've seen this kind of thing crop up occasionally on forums and social media — someone merges a Korean name with a show title and it starts circulating as fact. It happens more often than you'd think. I ran into a similar situation a while back where someone was asking me how to download a "complete guide" to something that didn't actually exist as a real thing. Just turned out to be a fabricated concept that had been copy-pasted across a few low-effort sites.
Sang Byeok The Enigmatic Actress Who Played Eleven In Squid Game
Since this particular search term appears to be referencing something that doesn't correspond to any real person or production credit, there isn't a tutorial, how-to guide, or legitimate download to point you toward. If you're looking for information about the actual cast of Squid Game, the reliable sources are the show's IMDb page, Netflix's official credits, or interviews with the real actors like Lee Jung-jae, Park Hae-soo, and Oh Yeong-su. If you encountered this term somewhere specific and want to fact-check it, I'd recommend running it through a couple of independent sources before trusting whatever came up first. This kind of false information tends to spread through automated content farms that don't verify anything. They'll publish an article with a catchy title, and then ten other sites mirror it without checking. I've spent time digging into these kinds of loops before — it's usually just a matter of tracing back to the original source, which is almost never a credible one.