Cách 1: Active windows server 2012 sử dụng key Windows Server 2012 R2 Server Standard DBGBW-NPF86-BJVTX-K3WKJ-MTB6V D2N9P-3P6X9-2R39C-7RTCD-MDVJX Windows Server 2012 R2 Datacenter Y4TGP-NPTV9-HTC2H-7MGQ3-DV4TW W3GGN-FT8W3-Y4M27-J84CP-Q3VJ9 Windows Server 2012 R2 Essentials K2XGM-NMBT3-2R6Q8-WF2FK-P36R2 KNC87-3J2TX-XB4WP-VCPJV-M4FWM Windows Server 2012 Windows Server 2012 Core BN3D2-R7TKB-3YPBD-8DRP2-27GG4 Windows Server 2012 Core N 8N2M2-HWPGY-7PGT9-HGDD8-GVGGY Windows Server 2012 Core Single Language 2WN2H-YGCQR-KFX6K-CD6TF-84YXQ Windows Server 2012 Core Country Specific 4K36P-JN4VD-GDC6V-KDT89-DYFKP Windows Server 2012 Server Standard XC9B7-NBPP2-83J2H-RHMBY-92BT4 Windows Server 2012 Standard Core XC9B7-NBPP2-83J2H-RHMBY-92BT4 Windows Server 2012 Multipoint Standard HM7DN-YVMH3-46JC3-XYTG7-CYQJJ Windows Server 2012 Multipoint Premium XNH6W-2V9GX-RGJ4K-Y8X6F-QGJ2G Windows Server 2012 Datacenter 48HP8-DN98B-MYWDG-T2DCC-8W83P Windows Server 2012 Datacenter Core 48HP8-DN98B-MYWDG-T2DCC-8W83P Cách 2: active windows server 2012 sử dụng KMS Yêu cầu server được kết nối mạng. Mở CMD với quyền administrator chạy lệnh sau trên cmd slmgr /skms kms.digiboy.ir slmgr /ato