microsoft网站下载windbg已不方便：
搜索windbg来到
520K9s2c8@1M7q4)9K6b7g2)9J5c8W2)9J5c8X3#2K6k6r3&6Q4x3X3g2E0K9h3y4J5L8%4y4G2k6Y4c8Q4x3X3g2U0L8$3#2Q4x3V1k6W2L8W2)9J5k6s2g2K6i4K6u0r3N6$3W2F1k6r3!0%4M7#2)9J5c8X3S2S2M7X3c8%4j5i4u0W2i4K6u0r3K9r3R3^5y4e0t1K6y4U0g2Q4x3X3g2S2M7%4m8^5
下拉找到Windows 7 Standalone Debugging Tools (also for Windows XP)，是一个在线安装工具。
打开它装了半天，竟然没装上。
在这个在线安装工具里选好选项，点下一步前，打开smartsniff，然后点下一步，可见：
首先会查询DNS：download.microsoft.com
然后会GET：download/A/6/A/A6AC035D-DA3F-4F0C-ADA4-37C8E5D34E3D/setup/WinSDKDebuggingTools/dbg_x86.msi
结论是：
808K9s2c8@1M7q4)9K6b7g2)9J5c8W2)9J5c8X3c8G2N6$3&6D9L8$3q4V1i4K6u0W2L8h3W2U0M7X3!0K6L8$3k6@1i4K6u0W2j5$3!0E0i4K6u0r3k6r3!0%4L8X3I4G2j5h3c8Q4x3V1k6m8i4K6u0r3y4W2)9J5c8V1q4Q4x3V1k6m8y4V1q4o6x3o6x3#2c8q4)9J5k6p5c8m8x3@1k6Q4x3X3b7@1c8U0m8o6i4K6u0V1b7f1c8m8y4q4)9J5k6o6x3%4b7K6S2q4y4f1b7K6y4p5f1K6c8q4)9J5c8Y4y4W2N6s2g2H3i4K6u0r3g2$3W2F1f1@1c8w2c8r3g2T1N6h3N6Y4K9h3&6Y4g2r3!0G2L8s2y4Q4x3V1k6V1j5X3N6Q4y4h3k6^5z5o6k6Q4x3X3g2E0M7$3V1`.
吐槽：win7怎么用怎么不爽~
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