As stated by Microsoft. All licensed legal copies of Windows 7/8/8.1/8.1U will have 1 year from the date of 'launch' of Windows 10 to upgrade for free. AFTER that date (launch +1 minute) you will HAVE to purchase Windows 10 upgrade.
As stated by Microsoft. All licensed legal copies of Windows 7/8/8.1/8.1U will have 1 year from the date of 'launch' of Windows 10 to upgrade for free. AFTER that date (launch +1 minute) you will HAVE to purchase Windows 10 upgrade.