1.zend studio 12官网下载地址：
http://downloads.zend.com/studio-eclipse/12.0.0/ZendStudio-12.0.0-win32.win32.x86.msi
2.替换zend studio安装目录的plugins文件夹下的com.zend.verifier_12.0.0.v20141115-2331.jar文件
3.启动zend studio 12，输入key:
4d9649563634dd75a408825ff7f4e9a49815f64ec81310d37391dd6dabc5e91c61ea2e492d108eb7a6abcf3dc4ecc1f251b48166870d75b5c12b567042985103455548465553433a554945505254463b30302f30302f303030303b31322e303b3030303b313b30
（如果安装了jdk7.0，也可以用Zend-KeyMaker.jar生成相应的com.zend.verifier_***.jar文件,以及key。按照以上三步操作即可）
