Check the steps below to install the mSpy application on the target user's device. Don't worry about the installation process because many apps have a similar process which is mentioned below -

1. Create your account within the application then purchase the plan according to your needs.

2. Get access to the target user's device then click on the install app on it.
3. Login into your account and start monitoring the activity.

Read More - https://allsavvy.net/best-instagram-spy-apps