1. Windows 10 version 1607 (Anniversary update) for Home and Pro users

Mainstream support ends: April 10, 2018

Extended support ends: Oct. 9, 2018

2. Windows 10 version 1511 (First major feature update from Windows 10) for Education and enterprise editions

Mainstream support ends: Oct. 10, 2017

Extended support ends: Apr 10, 2018

Points to note:

1. Windows 10 Enterprise and Education editions will still receive six months of additional servicing for version 1607.

2. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.

3. We can expect the release of Windows 10 Spring Creators Update, version 1803, sometime in April.

Refer here for the Windows Lifecycle Fact Sheet.