Subscribe in your feed reader. Feed URLs use the form https://friendrewind.com/rss/name with an optional ?id= parameter where noted.
Forum topic links may require you to be signed in to view the full thread in a browser, but the feed still lists new posts and replies.
/rss/blog_recent/rss/blog_top/rss/blog_user?id=user_id/rss/blog_category?id=category_id/rss/forum_recent/rss/forum_board?id=forum_category_id/rss/forum_topic?id=topic_id/rss/forum_user?id=user_id/rss/layouts_recent/rss/layouts_top/rss/layouts_user?id=user_id/rss/layouts_tag?id=name/rss/groups_new/rss/groups_top/rss/groups_category?id=categoryLegacy URL /blog/feed.php still works and is the same as /rss/blog_recent.