Cortana, Microsoft’s clever digital assistant on Windows Phone 8.1, makes the jump to PCs with Windows 10, where she assumes control of the operating
system’s search functions. Cortana will want to access your personal info, then use that info along with her Bing-powered cloud smarts to intelligently
surface information you’re looking and perform other helpful tasks.
Cortana can help you find all sorts of online information via natural language queries you ask using text or voice commands. Cortana can also apply those
natural language smarts to use search your hard drive, OneDrive, and business network for files that meet certain filters, like “Find pictures from June.”
The digital can also play music, create reminders, set alarms, and even crack jokes. Read
PCWorld’s ultimate Cortana guide
for the full lowdown.