Always choose R2 unless you have a specific legacy application that requires the original 2012 RTM.
(These values change per version/language – search for official VLSC or MSDN hashes for your specific build.)
Generic Google searches lead to dangerous waters. The most popular "free ISO" sites (e.g., GetIntoPC , OldGamesDownload for software) are notorious for embedding ransomware or keyloggers into server ISOs.
Always choose R2 unless you have a specific legacy application that requires the original 2012 RTM.
(These values change per version/language – search for official VLSC or MSDN hashes for your specific build.)
Generic Google searches lead to dangerous waters. The most popular "free ISO" sites (e.g., GetIntoPC , OldGamesDownload for software) are notorious for embedding ransomware or keyloggers into server ISOs.