How to install file with extension msi ?

[Saint]

Some files ended with *.msi,
how to install it ? [?]

[Considering]

.msi is a Microsoft installer file.

While in windows 2000 or XP, you should be able to just double click it.

[Saint]

How about in windows 98/ME ?[s(]

[Greg Bernhardt]

Try right-clicking on the file, there might be an install option at the top of the menu.