PC users looking to upgrade to the OS or buy a new Windows 8 PC or tablet will get their chance first thing Friday.
Friendlier to PC users than its prececessor, Windows 8.1 continues to eke out a higher share while Windows 8 slips downward.
Apple will also open its retail stores at 8 a.m. local time on the same day to start selling its new high-end smartphone.
Among US carriers, Verizon Wireless, Sprint, and AT&T have so far confirmed the early morning preorders for the 5C.
The Nokia Lumia 530 is the cheapest Lumia smartphone yet, replacing the recently-ditched Asha and Nokia X.
Pricing not available
The next update to Windows 8.1 will arrive during August's Patch Tuesday, claims a Russian website.
Testing the common-sense fixes Windows 8 should have had from the start.
At its annual Build confab, Microsoft wants to make it clear that the update's mission is to welcome frustrated mouse and keyboard users back to Windows 8.1.
To snag Microsoft's June patches and later ones, Windows 8.1 users better make sure they've installed the April update.
The Lenovo Miix 2 offers a nice mix of features and solid performance. It normally sells for $299.99.