Vista免费！合法！不用激活！至少使用一年！
多么激动人心的字眼！Vista之家(www.vista123.com)团队第一时间拿到了国外的牛人大作，简单之极，只需更改注册表和执行两个命令行程序！
步骤1： 运行一个尚未激活的Windows Vista系统。点击左下角的“开始”，点击“运行”，输入 regedit 回车确认，打开Vista系统自带的注册表编辑软件。
步骤2：找到下面的这个地方：HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ SL
步骤3：右点击注册键名字为“skiprearm”的项目，点击编辑。 该兼职默认是dword(双字或4字节)，16进制的值为00000000，改变这个数值为任何正整数，例如00000001，保存设置，然后，关闭退出regedit这个注册表编辑软件。
步骤4：用管理员身份启动命令行程序，最快的办法是点击启动按钮，在搜索框输入cmd，然后再按Ctrl+Shift+Enter即可。如果你被要求输入用户帐号和密码，那么你就输入管理员帐号和密码即可用管理员身份执行命令行程序了。
步骤5：在命令行里面输入
slmgr -rearm
或者输入
rundll32 slc.dll,SLReArmWindows
输入上面任何一个命令，都将使用到Vista系统内置的软件授权系统，就是Software Licensing Manager (SLMGR) ，会把激活日期的最晚期限推迟30天。把 SkipRearm这个值从 0 改到 1 将允许SLMGR系统无限期使用激活多次。要么就把SkipRearm的变回0。
步骤6：重启电脑使设置生效，登陆进入系统后，如果你喜欢，你可以使用 slmgr -xpr 这个命令行程序，来看Vista最新的免费使用到期日期！
步骤7：如果想得延长更多免费使用期限，重复步骤1至6即可。
How to run Vista legally without activation … for at least a year
Microsoft has built into Vista a function that allows anyone to extend the operating system’s activation deadline not just three times, but many times. The same one-line command that postpones Vista’s activation deadline to 120 days can be used an indefinite number of times by first changing a Registry key from 0 to 1.
This isn’t a hacker exploit. It doesn’t require any tools or utilities whatsoever. Microsoft even documented the Registry key, although obtusely, on its Technet Site.
But dishonest PC sellers could use the procedure to install thousands of copies of Vista and sell them to unsuspecting consumers or businesses as legitimately activated copies. This would certainly violate the Vista EULA, but consumers might not realize this until the PCs they bought started demanding activation — and failing — months or years later.
The following describes the Registry key that’s involved.
Step 1. While running a copy of Windows Vista that hasn’t yet been activated, click the Start button, type regedit into the Search box, then press Enter to launch the Registry Editor.
Step 2. Explore down to the following Registry key:
HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ SL
Step 3. Right-click the Registry key named SkipRearm and click Edit. The default is a Dword (a double word or 4 bytes) with a hex value of 00000000. Change this value to any positive integer, such as 00000001, save the change, and close the Registry Editor.
Step 4. Start a command prompt with administrative rights. The fastest way to do this is to click the Start button, enter cmd in the Search box, then press Ctrl+Shift+Enter. If you’re asked for a network username and password, provide the ones that log you into your domain. You may be asked to approve a User Account Control prompt and to provide an administrator password.
Step 5. Type one of the following two commands and press Enter:
slmgr -rearm
or
rundll32 slc.dll,SLReArmWindows
Either command uses Vista’s built-in Software Licensing Manager (SLMGR) to push the activation deadline out to 30 days after the command is run. Changing SkipRearm from 0 to 1 allows SLMGR to do this an indefinite number of times. Running either command initializes the value of SkipRearm back to 0.
Step 6. Reboot the PC to make the postponement take effect. (After you log in, if you like, you can open a command prompt and run the command slmgr -xpr to see Vista’s new expiration date and time.
Step 7. To extend the activation deadline of Vista indefinitely, repeat steps 1 through 6 as necessary