windows server 2012R2是服务器系统，和客户端系统一样，需要使用激活码永久激活windows2012r2。server2012激活密钥有两种，分别是永久激活和kms期限激活。
kms密钥激活步骤：
按下windows+x打开快捷菜单，选择命令提示符(管理员)
slmgr /ipk D2N9P-3P6X9-2R39C-7RTCD-MDVJX
slmgr /skms kms.03k.org
slmgr /ato
附windows server 2012R2及2012的激活码：
Windows Server 2012 R2
操作系统版本 KMS 激活密钥
Windows Server 2012 R2 Server Standard D2N9P-3P6X9-2R39C-7RTCD-MDVJX
Windows Server 2012 R2 Datacenter W3GGN-FT8W3-Y4M27-J84CP-Q3VJ9
Windows Server 2012 R2 Essentials KNC87-3J2TX-XB4WP-VCPJV-M4FWM
Windows Server 2012
操作系统版本 KMS 激活密钥
Windows Server 2012 BN3D2-R7TKB-3YPBD-8DRP2-27GG4
Windows Server 2012 N 8N2M2-HWPGY-7PGT9-HGDD8-GVGGY
Windows Server 2012 Single Language 2WN2H-YGCQR-KFX6K-CD6TF-84YXQ
Windows Server 2012 Country Specific 4K36P-JN4VD-GDC6V-KDT89-DYFKP
Windows Server 2012 Server Standard 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 2022 Datacenter WX4NM-KYWYW-QJJR4-XV3QB-6VM33
Windows Server 2022 Datacenter
Azure Edition NTBV8-9K7Q8-V27C6-M2BTV-KHMXV
Windows Server 2022 Standard VDYBN-27WPP-V4HQT-9VMD4-VMK7H
Windows Server 2022 Datacenter
Azure Edition NTBV8-9K7Q8-V27C6-M2BTV-KHMXV
Windows Server 2022 Standard VDYBN-27WPP-V4HQT-9VMD4-VMK7H