Windows 10: Can you upgrade from Windows 7/8/8.1, to Windows 10 for free?

Do you have to buy Windows 10 Home or Pro in order to upgrade to Windows 10 from Windows 7, Windows 8, or Windows 8.1?Thanks.

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Windows 7 Lover's Club: For Those Who Like Windows 7 As Opposed To Windows 8

Description:

• For anyone who likes Windows 7 as opposed to Windows 8 and wants to keep Windows 7 and not upgrade to Windows 8.
• Also for anyone who does not hate Windows 8 but refuses to upgrade because Windows 7 is perfect.

Requirements:

• Be human. Male or female will suffice.
• Love or Like Windows 7 much more than Windows 8.

To Join:

• Make a post.

Benefits:

• You will find true love one day.
• You have have a chance to get rich one day.
• You will have a chance for your dreams to come true one day.

 

How to reinstall Windows 10 if my computers used the free upgrade from 7 and 8?

Will windows 10 still accept the license keys from 7 and 8 now if I reinstall my computer?

Does Microsoft keep a list of users who upgraded to Win 10 using their 7 and 8 keys so that when users need to reinstall windows 10 the old keys would work?

Do I need to call in Microsoft to ask them to activate my Windows 10 when I give them my win 7 keys?

Both computers are laptops. The windows 7 machine had the serial printed on the back, and I needed to enter that when I upgraded to 10. The windows 8 machine had the serial built in inside its boot system so I didn't need to enter the key when I upgraded to 10, but I did manage to write down the keys using a fetcher program.

 

Unlocked Realtek HD Audio Drivers Windows 7 & 8 (With Dolby Digital Live and DTS Interactive)

DTS supported natively by Windows 8/8.1 and it should work on windows 10 too just DDL require to unlock your driver .