密钥都有时效性。自己下载一个 kcnscrew key
Office 2011 Beta 5:
MUV37-4DT6V-383HJ-KG2QQ-XQ6GM
MMGC8-469V6-WMYXY-FCT9C-9GVYC
Word: CRVGP-F9DFF-YCR4X-D9GMM-9GQYB
Excel: MVGQR-X389M-DV7FQ-TVGVP-X7KBW
PowerPoint: MMGC8-469V6-WMYXY-FCT9C-9GVYC
Outlook: TRTWQ-4VGHQ-C72R6-GTVFR-W4TC6
下载一个kcnscrew,什么序列号都有