Users will need to install the Windows Insider app from the store to upgrade to the preview build, which will go live later today. Although Microsoft said every phone would get Windows 10, the preview doesn’t support all current Windows 8.1 devices right away.
Windows 10 Technical Preview currently works with the following phones:
- Lumia 630
- Lumia 635
- Lumia 636
- Lumia 638
- Lumia 730
- Lumia 830
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