i would suggest you download You are not allowed to view links.
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LoginNotepad++. It can open any size file. It is an enhancement over the normal windows Notepad program.
After you install it I would then go to
"Plugins, Plugin Manager,Show Plugin manager"
Select "XML Tools"
Now you have a very cool feature, automatically reformat xml files. Under the Plugins menu you will now see "XML Tools"
Paste your xml into Notepad and save it with an xml extension. Like wizards.xml.
To pretty print the xml, "ctl-alt-shift-B"
i only use notepad when writing xml or viewing files.
thanks
sean