A notification prompts Windows 7 and 8.1 users to reserve an upgrade to the new OS.
Customers in the US, UK and elsewhere will no longer be restricted to ordering the watch online.
Walk-in customers won't be able to walk out with Apple's new smartwatch. But there will be pampering of those shopping for the 18-karat gold Edition gadget.
One e-commerce site allegedly accounts for 2.3 million reservations alone, according to Chinese media.
The reservations are reportedly spread across China's three major mobile carriers and various retailers, with the 64GB iPhone 6 and iPhone 6 Plus models proving the most popular.
With much riding on the new version of its marquee software, Microsoft opts for caution and says the Windows 10 rollout will come "in waves, slowly."
The would-be automaker's path highlights the untested (and weird) waters of the new era in crowdfunding.
The entry-level Sport version and the Apple Watch are readily available. Only the pricey Apple Watch Edition is still backlogged.
Following his sudden death on Saturday, GameSpot pays tribute to a true innovator.
The reviews site rolls out a new tool that lets customers book restaurant reservations directly from its website on mobile or desktop.