Cherry Jam without seeds for the winter of cherry

Step 1. How do you make cherry jam?

Step 2: How do you sugar cherries and grind them in mashed potatoes?

Step 3. How do you inject a thickener and let it swell?

Step 4: How to cook cherry jam without seeds for the winter from cherries until ready?

Step 5: How to decompose, seal and store seedless cherry jam for the winter?