There are times when you need to install Windows 10, 8.1 or 8 for evaluation or testing in a virtual machine, like VirtualBox for example. You may not want to activate the Microsoft product every time with the key you use on the regular one computer you.
For this purpose, you can use Generic keys from Microsoft, which will allow you to install the operating system, but do not allow the activation of.
So with one archive ISO containing the installation files of the Windows, you can install the operating system using one of the following Generic keys. Window 7 does not need a key to install it.
Generic keys for Windows 10
There are two general keys to Windows 10 at this time. One is for the standard version and the other is for the Enterprise version.
Window 10:
NKJFK-GPHP7-G8C3J-P6JXR-HQRJR
Windows 10 Enterprise:
PBHCJ-Q2NYD-2PX34-T2TD6-233PK
Generic key for Window 8.1
Window 8.1 has four different versions, including: Window 8.1 RT, Window 8.1, Window 8.1 Pro and Window 8.1 Enterprise.
Window 8.1 Standard Edition Pro Edition:
334NH-RXG76-64THK-C7CKG-D3VPT
Window 8.1 Pro:
XHQ8N-C3MCJ-RQXB6-WCHYG-C9WKB
Window 8 Pro with Media Center:
GBFNG-2X3TC-8R27F-RMKYB-JK7QT
Generic key for Window 8
The RTM version of Windows 8 was available in the following versions: Windows RT, Windows 8, Windows 8 Pro, and Windows 8 Enterprise.
Window 8 standard / no-Pro edition:
FB4WR-32NVD-4RW79-XQFWH-CYQG3
Window 8 Pro:
XKY4K-2NRWR-8F6P2-448RF-CRYQH
Window 8 Pro with Media Center:
RR3BN-3YY9P-9D7FC-7J4YF-QGJXW
Remember, with these keys you can only install Windows for some evaluation or test for a short time. They can only be activated when you import a genuine key that you purchased from Microsoft.
Once you decide to turn on your installed operating system, you will need to change the general product key for the real key you have purchased.