Some WordPress themes come with the comments feature enabled on pages. WordPress theme, WP-Andreas09, is a good theme that has this feature enabled right out of the download file. Though its a good theme, I do not like it because its code templates are not easy to modify.
My Revolution WordPress theme came without the comments feature for the pages. I like this WordPress theme because its code templates are clean and easy to modify.
I found the code, posted by pramod, for enabling comments here and its pasted below.
Locate following code in page.php [template file]
<?php if (have_posts()) : while (have_posts()) : the_post(); ?>
<?php endwhile; endif; ?>In between these lines add following:
<?php comments_template(); ?>
I had to play around with the placement of the code, but it works fine for my theme.

I am a Civil Engineer from Louisiana State University. The compound word, Americaneer, is a combination of the words, American and Engineer.
Thanks this worked great for me! I tried some other folks code but for WordPress v2.9.2 this was the ticket, thanks again!
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Thanks Americaneer,
It took me a few attempts to get this to work – but success.
I started by searching for the first line of code you have above, and added the extra line beneath it, but the comments window was at the top of the page.
i then searched for the second line, and slipped the code in just above it. BINGO.
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This is valuable info
thanks
Do you know how to enable threaded (nested) comments several levels deep?
Thanks this worked first time! I placed it on the line before