Few days ago( Nov 12, 2015) Microsoft pushed out its first big update to Windows 10 via Windows update. This update fixes a lot of problems with windows 10. In this new update, Microsoft is streamlining Windows 10 activation, restoring colored window, integrating Skype, improving the Edge browser, and more.

Windows 10 Activation With 7, 8 and 8.1 Product key
Activation of Windows 10 has been nothing short of confusion but this has now been fixed. With this new update you can now enter the product key of your PCs Windows 7, 8, and 8.1. This should activate properly if that PC was eligible for the update.

Install Apps on SD
Incase your device has a low memory you can now install Windows 10 apps on another drive, like SD card. This feature has been re-enabled in the latest update. To me, this is one of the most important features in the update.

Track Your PC
Windows 10 now has abuilt-in tracking that enables you to track your laptop or tablet in case you lose it, through GPS and location services. Windows 10 can now periodically send your device's location to Microsoft's servers, allowing you to view its last location if you ever lose it.

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http://hotfixtech..com/2015/11/new-features-in-windows-10-first-big.html?m=1