This archive is currently the "holy grail" for Simmers. You won't find it on Patreon. You won't find it on The Sims Resource. You only find it by searching for the best JS SFS links on Reddit and Tumblr.
Once you download your "JS" content from SimFileShare, you will likely be greeted with a .zip , .rar , or .7z file. Here is the proper way to install them: js sims 4 simfileshare best