windows 10

Windows 10 is now available as a free upgrade in 190 countries worldwide.

Available today for Windows Insiders, Microsoft’s next-gen operating system will be rolled out in stages to Microsoft PC and tablet consumers over the next few days. The free Windows 10 Mobile upgrade will be released later this year.

(Related: A preview of Windows 10)

According to Windows head Terry Myerson, Windows 7 and Windows 8.1 users will see a taskbar notification when their Windows 10 upgrade is ready. Windows 10 Enterprise is also now available for business deployment, and starting Aug. 1, organizations that have volume licensing can upgrade to Windows 10 Pro, Windows 10 Enterprise or Windows 10 Education.

Windows 10 IoT is also available today, Myerson said in a blog post.