Flash Player作為Flex程序運行環境，它的角色就是一個Flex程序的承載體。我們Flex程序在開發過程中需要不斷的進行調試和完善，當然離不開 debug環境。Flash Player Debugger就專門是為我們準備的，我們可以在Adobe的官方網站下載。不過尋找起來還是有些難度的，所以西部e網(weste.net)就為大家整理好所有的版本，包括Flash Player 9 Debugger和Flash Player 10 Debugger，有Windows版、Mac版、Linux版，還有針對不同瀏覽器比如IE、Firefox等等。需要就下載吧！
Flash Player 10 Debugger下載
Flash Player 10 ActiveX control content debugger (for IE) (EXE, 2.12 MB)
http://download.macromedia.com/pub/flashplayer/updaters/10/flashplayer_10_ax_debug.exe
IE瀏覽器用這個就可以了。
使用方法：把下載的flashplayer_10_sa_debug.exe放到C:\WINDOWS\System32文件夾下面
就可以正常Debug了。
Flash Player 10 Plugin content debugger (for Netscape-compatible browsers) (EXE, 2.09 MB)
http://download.macromedia.com/pub/flashplayer/updaters/10/flashplayer_10_plugin_debug.exe
Firefox瀏覽器用這個。
使用Firefox瀏覽器flash player debug的方法
安裝以上for Netscape-compatible browsers版本的插件或者
把C:\WINDOWS\system32\Macromed\Flash\中NPSWF32.dll復制到后者文件夾C:\Program Files\Mozilla Firefox\plugins\中。
重新啟動Flex Builder，在Window->Preferences->General->Web Browser里選定Firefox。
Flash Player 10 Projector content debugger (EXE, 5.18 MB)
http://download.macromedia.com/pub/flashplayer/updaters/10/flashplayer_10_sa_debug.exe
Flash Player 10 Plugin content debugger (Intel-based Macs) (6.31 MB)
http://download.macromedia.com/pub/flashplayer/updaters/10/flashplayer_10_plugin_debug.dmg
Flash Player 10 Projector content debugger (ZIP, 6.22 MB)
http://download.macromedia.com/pub/flashplayer/updaters/10/flashplayer_10_sa_debug.app.zip
Flash Player 10 Linux debugger and standalone players (TAR.GZ, 16.3 MB)
http://download.macromedia.com/pub/flashplayer/updaters/10/flash_player_10_linux_dev.tar.gz
Flash Player 9 Debugger下載
Flash Player 9 ActiveX control content debugger (for IE) (EXE, 1.61 MB)
http://download.macromedia.com/pub/flashplayer/updaters/9/flashplayer_9_ax_debug.exe
IE瀏覽器用這個。
Flash Player 9 Plugin content debugger (for Netscape-compatible browsers) (EXE, 1.57 MB)
http://download.macromedia.com/pub/flashplayer/updaters/9/flashplayer_9_plugin_debug.exe
Firefox瀏覽器用這個。
Flash Player 9 Projector content debugger (EXE, 3.73 MB)
http://download.macromedia.com/pub/flashplayer/updaters/9/sa_flashplayer_9_debug.exe
Flash Player 9 Plugin content debugger (Intel-based Macs) (6.31 MB)
http://download.macromedia.com/pub/flashplayer/updaters/9/flashplayer_9_plugin_debug_ub.dmg
Flash Player 9 Plugin content debugger (PowerPC-based Macs) (DMG, 3.39 MB)
http://download.macromedia.com/pub/flashplayer/updaters/9/flashplayer_9_plugin_debug.dmg
Flash Player 9 Projector content debugger (ZIP, 4.68 MB)
http://download.macromedia.com/pub/flashplayer/updaters/9/sa_flashplayer_9_debug.app.zip
Flash Player 9 Linux debugger and standalone players (TAR.GZ, 9.36 MB)
http://download.macromedia.com/pub/flashplayer/updaters/9/flash_player_9_linux_dev.tar.gz
Flash Player Debugger官方下載頁面：
http://www.adobe.com/support/flashplayer/downloads.html