ATTENTION: This 2 USB or ( DVD) does not include a license, product key, or COA You must own a legitimate licensed version of Windows 7, 8, 8.1 to be able to upgrade/Restore/Reinstall/Install/Repair/Replace your Windows OS. 
You can use this software on multiple computers (as long as they have their VALID OS key) Windows 8.1 has been equipped with all the editions of the .NET Framework. Windows 10 has come up with a fully functional Start menu as well as an advanced design and interface where you can easily perform a very wide variety of operations 
 
Are you getting any of these problems? Your windows have crashed during an update Windows can't boot because Boot Manger or Boot.ini is missing BOOTMGR or NTLDR is missing Windows repeatedly returns to the Advanced Boot Options Screen Fatal System" error or "Blue-Screen of Death" after an update Running Slow, Virus, spyware, or malicious software problems 
 
You don’t have to be a computer genius to use this software. It has improved the security aspects of all these operating systems.