Go to Options > Preferences > Advanced.
Toggle the following values to 'False':
-
offers.left_rail_offer_enabled -
gui.show_plus_upsell -
offers.sponsored_torrent_offer_enabled -
bt.enable_pulse -
gui.show_notorrents_node -
offers.content_offer_autoexec -
offers.cookies.customized_ads -
offers.featured_content_badge_enabled -
offers.featured_content_notifications_enabled -
offers.featured_content_rss_enabled