You're off topic for this forum, which is dedicated to
Windows Live OneCare.
Your question may be better posed to one of the forums here for
Windows 7:
http://social.answers.microsoft.com/Forums/en-US/category/windows7
However, there is no reason that the installation of Windows 7 (assuming that it is a legal Windows 7 install disc) will not work worldwide. It is, however, probably an OEM disc intended for sale in
the stated regions.
-steve
~ Microsoft MVP Windows Live ~ Windows Live OneCare| Live Mesh|MS Security Essentials Forums Moderator ~