Yesterday I installed Delphi XE2 using the download option, so I guess the installed files came from Embarcadero up to date as 1st Nov. I assume that I therefore acquired Update 1 (the one that otherwise needed a complete reinstall?). To check, clicking 'Check for updates' in the program group produces 'No updates available', yet Help About shows only 'Help Release 1 for Delphi XE2....' in 'Installed Updates'.
I now see a link to Marco Cantu's site at http://blog.marcocantu.com/blog/delphi_xe2_update2.html which talks about an update 2 (but you have to have update 1 already in place).
Can anyone comment on the installation that I have? I dont want to continue installing libraries if I've got to reinstall it again.
You cannot just go from XE2 to update 2 directly. Update 1 is a mandatory install which requires you to first completely uninstall. Then reinstall. All subsequent delphi xe2 updates will then install without an uninstall first. Refer delphi xe2 update 1 release notes as per links provided in above answer.
You can check the version number in the About box.
You can uninstall XE2 and then install XE2 with Update #2 from the new ISO (available for registered users only, I'm afraid).
See also http://www.bobswart.nl/weblog/Blog.aspx?RootId=5:5014
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