Run dialog box with the Windows Key + R keyboard shortcut. Once that box shows up, enter winver (it stands for Windows version).
OS Version | Code name | Version | Latest build |
---|---|---|---|
Windows 10 | Threshold 1 | 1507 | 10240 |
Windows 10 | Threshold 2 | 1511 | 10586 |
Windows 10 | Redstone 1 | 1607 | 14393 |
Windows 10 | Redstone 2 | 1703 | 15063 |
Windows 10 | Redstone 3 | 1709 | 16299 |
Windows 10 | Redstone 4 | 1803 | 17134 |