If you want to deactivate your Instagram account but didn't found any method yet then this must be your answer follow these steps:-

- Go to Instagram.com on any browser of your phone or pc and login with the same account which you want to deactivate

- Click on your profile & then click on edit profile

- Scroll down to the bottom you will see “temporarily disable my account”

- Click on the it and Instagram will ask you why you are deactivating

- Give any reply and finally click on “Temporarily disable my account”

Read this article for better information:- https://getassist.net/how-to-deactivate-instagram-account/