A computer-implemented method for navigating through channels in a content receiver, wherein the channels have assigned channel numbers and categories, the method comprising: providing a list of categories; providing an ordered list of channels for each category; upon receiving a channel zapping command (SIMILAR+, SIMILAR−), selecting a next channel or a previous channel from the list of channels for the current category; upon receiving a category zapping command (NEXT, PREV), selecting a last watched channel in a next category or a previous category from the list of categories and changing the current category to the next category or the previous category; storing the channel number of the selected channel as the last watched channel on the current channel category; and tuning the content receiver to the selected channel. A suitable predictive channels assignment to respective tuners is also disclosed.