For the HxS version (available through the download called BizTalk2009HXS.exe):
1 . Close the BizTalk Server documentation if you have it open.
2 . Download and run the Documentation.exe file.
3 . Click Unzip to unzip the documentation files to the C:\Program Files\Microsoft BizTalk Server 2009\Documentation folder. If you have installed BizTalk Server in a different folder, specify the installation location before you click Unzip. The contents of the download must be placed directly in the folder Microsoft BizTalk Server 2009\Documentation.
4 . Open BizTalk Server help to view the updated documentation.
For the CHM version (available through the download called BizTalkServer2009CHMcollection.exe):
If you are unable to view the .chm file when you click Open then try the download again but select Save and choose where you want to save the .chm file. Then use one of the following methods:
Method 1
1 . Double-click the .chm file.
2 . In the Open File-Security Warning dialog box, click to clear the Always ask before opening this file check box.
3 . Click Open.
Method 2
1 . Right–click the chm file, and then click Properties.
2 . Click Unblock.
3 . Double-click the .chm file to open the file.
