Windows 8.1 "Blue"
You can install Windows 8.1 "Blue" in two ways.
1. You can upgrade your existing Windows 8 installation to Windows 8.1 without losing your settings, files, 3rd party apps and your product key. You must download and install an update package in order to update your Windows 8.
Install the update package and restart your system, then you will get a notification to install Windows 8.1 from Windows Store.
2. You can also download the ISO files and perform a clean install of Windows 8.1.
*If you decide to perform a clean install of Windows 8.1, remember to keep your existing Windows 8 product key, because when the final version of Windows 8.1 will come out, you can activate it with your Windows 8 product key.
You can use the following product key to install Windows 8.1:
Core: 334NH-RXG76-64THK-C7CKG-D3VPT
Professional: XHQ8N-C3MCJ-RQXB6-WCHYG-C9WKB
Enterprise: MNDGV-M6PKV-DV4DR-CYY8X-2YRXH
RTM : 334NH-RXG76-64THK-C7CKG-D3VPT
XHQ8N-C3MCJ-RQXB6-WCHYG-C9WKB
More Keys...
NTTX3-RV7VB-T7X7F-WQYYY-9Y92F
MTWNQ-CKDHJ-3HXW9-Q2PFX-WB2HQ
GMDYM-NCKGV-V44HG-XJRK3-C36VD
HM43N-HHT8J-M764G-CQVW8-GVF92
KN698-X8QQ3-F8JYF-GCM3G-VCBQP
N8XFR-D7KFP-4QDGD-HTR3M-MY2K2
2VNV4-77CKK-GRDM3-4FPQK-QV3HC
