How To Install Windows 8.1 Without Product Key

When we download window 7 ISO, we can install Windows without a product key. The installation will go through, and we will get a 30-day trial of the operating system. With the official Windows 8.1 ISO, though, we can't skip entering the product key during the installation. Let's see how to bypass this restriction and install Windows 8.1 without a product key.

Disclaimer : Content is for educational purpose only.

I hereby request you to that you se it when you have emergeny or your product key is being lost or stolen.

The Magic "ei.txt" file

We can somewhat understand Microsoft's point of view when they made the product key mandatory for a Windows 8.1 installation. It sort-of makes sense as an anti-piracy measure.

The only thing we need is to create a notepad file, on any version of Windows.

Inside, we copy and paste the following:

The following key are given below :

Windows 8 Product Key 2020

Windows 8.1

OPERATING SYSTEM EDITION	KMS CLIENT SETUP KEY
Windows 8.1 Pro	GCRJD-8NW9H-F2CDX-CCM8D-9D6T9
Windows 8.1 Pro N	HMCNV-VVBFX-7HMBH-CTY9B-B4FXY
Windows 8.1 Enterprise	MHF9N-XY6XB-WVXMC-BTDCT-MKKG7
Windows 8.1 Enterprise N	TT4HM-HN7YT-62K67-RGRQJ-JFFXW

Windows 8

OPERATING SYSTEM EDITION	KMS CLIENT SETUP KEY
Windows 8 Pro	NG4HW-VH26C-733KW-K6F98-J8CK4
Windows 8 Pro N	XCVCF-2NXM9-723PB-MHCB7-2RYQQ
Windows 8 Enterprise	32JNW-9KQ84-P47T8-D8GGY-CWCK7
Windows 8 Enterprise N	JMNMF-RHW7P-DMY6X-RF3DR-X2BQT

Now Save File In ( ei.txt ) format :

Then copy the serial key :

Then Close The Notepad :

Then Start the setup

Paste the key in product key option.

Enjoy Your Installation.

Watch this video for full installation :