change to
1. To convert something to a different form or method. A noun or pronoun can be used between "change" and "to." How much do you think it will cost to change our heating system to gas?
2. To switch to something. I've saved a lot of money since changing to generic.
change to something
to convert to something; to give up one and choose another. We will change to standard time in the fall. I decided to change to gas for heating and cooking.