磁盘碎片是导致电脑速度变慢和不稳定的主要原因，免费
软件IObit SmartDefrag能够最有效的帮助你轻松整理碎片。它拥有独特的“安装后自动运行”以及碎片智能诊断技术，无需任何
设置和人为操作，就能够全自动运行。
采用业界最先进的ExpressDefrag技术，IObit SmartDefrag碎片整理速度非常快，而且还能够对磁盘的
文件系统同时进行优化。借助领先的静默整理技术，IObit SmartDefrag在后台利用计算机的空闲时刻自动进行碎片整理，让你的硬盘一直保持最高的运行效率。IObit SmartDefrag绝对不带任何
插件，对个人用户，家庭及小企业
用户是完全免费的。
IObit SmartDefrag - The World’s Most Efficient FREE Defragmentation Software
What’s the primary cause of slow/unstable PC performance? It’s disk fragmentation. IObit SmartDefrag helps defragment your hard drive more efficiently than any other product on the market – free or not.
Features of this powerful, award-winning defragmenter program include:
* An "Install It and Forget It" feature that works automatically and quietly in the background on your computer.
* The ability to constantly keep your hard drive safe, error-free and running at its top speed and optimum performance.
* Eliminates slow downs, freeze-ups and crashes.
* IObit SmartDegrag is 100% FREE award-winning software that’s for personal, home and small business.
* 100% safe from any spyware, adware and virus. .
* Designed for Windows Vista, XP, and 2000.
* Distribute it freely, copy it, sell it or include it as part of a package – as long as it is left completely intact and unchanged.
Key Benefits:
• Extremely Easy to Use
Install it and forget it. This powerful, free utility works continuously, automatically and quietly in the background on your PC. Its intuitive interface makes IObit SmartDefrag the ideal utility for complete computer dummies.
• Exceptionally Efficient Defragmentation
IObit SmartDefrag has the world’s fastest defragmenting engine. It’s been specially designed for modern, large hard drives, so it eliminates long waiting times.
• Optimize Your File System
IObit SmartDefrag doesn’t just use simple defragmentation. It also streamlines your file system, enabling your computer to run at top speed with the most stability.
• Always-on to Work Automatically
IObit SmartDefrag works automatically and quietly in the background, so it continually and constantly keeps your computer fragment-free.
• Free Defrag Forever
IObit SmartDefrag is 100% freeware. You can download it and update absolutely free –– it won’t cost you a penny.
官网：
http://www.iobit.com/SmartDefrag/index.html
~Support Windows 2000/XP/Vista~
官方下载(free~)：http://www.iobit.com/files/DefragSetup.exe
