While there is no official file named "Anomaly Mod Hosting master rar" from the core development team, this likely refers to a community-hosted mirror or a specific GitHub repository's master branch (often downloaded as master.zip or .rar ) for .
Use 7-Zip or WinRAR to extract the contents of the downloaded .rar or .7z file into your new folder. Download Anomaly Mod Hosting master rar
Download the S.T.A.L.K.E.R. Anomaly Full Version from ModDB , the primary hub for the mod's development and updates. While there is no official file named "Anomaly