**Changing the default launcher in Android Nougat** 


 - Go into the Settings app.
 - Go to Apps
 - Press the settings gear in the top-right (not the triple-dot).
 - Scroll down to "Home app." By going into the home app section, you'll be able to change your default launcher.

Alternatively, you can just search inside the settings app for "Home."

**source:** https://www.youtube.com/watch?v=HpXBDnSIeiM

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**Changing the default launcher in Android Marshmallow**

 - Go into the Settings app.
 - Scroll down, and under the "Device" header you'll see "Home." 
 - Go into that and you'll be able to change your home launcher.

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**Changing the default launcher in Android Lollipop**

- Go into the Settings app.
- Scroll down, and under the "Device" header you'll see "Home." 
- Go into that and you'll be able to change your home launcher.

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**Changing the default launcher in Android KitKat**

 - Go into the Settings app.
 - Scroll down, and under the "Device" header you'll see "Home." 
 - Go into that and you'll be able to change your home launcher.

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**Changing the default launcher in Android (pre-KitKat 4.4)**

You'll need a third-party app to change between home screens. One of the best ("Home Switch") is available here: https://play.google.com/store/apps/details?id=co.uk.captainstu72.homeswitch