How to train an adult cat to the litter box?

It happens that there is a new pet in the house, quite mature. How can you train a pet that is used to doing its natural needs outside to the litter tray?

First of all, it is necessary to block the cat’s access to places that it can perceive as a toilet. We are talking about the space under beds, sofas, behind wardrobes, refrigerators and other large objects.

And you also need to choose a suitable tray and buy a filler that imitates the composition of the soil.

Further algorithm of actions is as follows:

remove carpets until the animal adapts to the dwelling, otherwise it will cope with the need there;
place the litter tray in an accessible but fairly private place;