Windows 8.1 product key is a unique 25-digit code you must provide to activate your copy of Windows

All Windows 8.1 serial keys on this post are genuine and free. We’ve included serial keys for both Ultimate and professional versions of windows 8.1.

You only need to use one Windows 8.1 serial key depending on the version your computer is running.

Windows 8.1 Ultimate Serial Keys

DNJXJ-7XBW8-2378T-X22TX-BKG7J

KKPMN-469HY-H6V43-T8VX2-8W8XV

T3NJK-3P683-2T7BJ-2X27F-8B2KV

TT4HM-HN7YT-62K67-RGRQJ-JFFXW

MNDGV-M6PKV-DV4DR-CYY8X-2YRXH

JMNMF-RHW7P-DMY6X-RF3DR-X2BQT

DFHJDU-QJH7K-FJDJ-FQJ24-DFJD

3FCND-JTWFM-24VQ8-QXTMB-TXT67

GX9N8-4H2FH-D987T-BQ9GK-XKT67

FJKDI-3DRJD-7D38SO-DFNDJ-FJKDI

DHJSU-V9KF6-FHJDU-KWBTC-DFJDU

Windows 8.1 Pro Serial keys

HMCNV-VVBFX-7HMBH-CTY9B-B4FXY

MBFBV-W3DP2-2MVKN-PJCQD-KKTF7

6RH4V-HNTWC-JQKG8-RFR3R-36498

4Y8N3-H7MMW-C76VJ-YD3XV-MBDKV

28VNV-HF42G-K2WM9-JXRJQ-2WBQW

XHQ8N-C3MCJ-RQXB6-WCHYG-C9WKB

34NH-RXG76-64THK-C7CKG-D3VPT

TT4HM-HN7YT-62K67-RGRQJ-JFFXW

FHQNR-XYXYC-8PMHT-TV4PH-DRQ3H

ND8P2-BD2PB-DD8HM-2926R-CRYQH

MHF9N-XY6XB-WVXMC-BTDCT-MKKG7

MNDGV-M6PKV-DV4DR-CYY8X-2YRXH

N4WY8-DVW92-GM8WF-CG872-HH3G7

NTTX3-RV7VB-T7X7F-WQYYY-9Y92F

KQWNF-XPMXP-HDK3M-GBV69-Y7RDH

MMRNH-BMB4F-87JR9-D72RY-MY2KV

GCRJD-8NW9H-F2CDX-CCM8D-9D6T9

FHQNR-XYXYC-8PMHT-TV4PH-DRQ3H
ND8P2-BD2PB-DD8HM-2926R-CRYQH
HMCNV-VVBFX-7HMBH-CTY9B-B4FXY
MHF9N-XY6XB-WVXMC-BTDCT-MKKG7
MBFBV-W3DP2-2MVKN-PJCQD-KKTF7

28VNV-HF42G-K2WM9-JXRJQ-2WBQW
XHQ8N-C3MCJ-RQXB6-WCHYG-C9WKB
6RH4V-HNTWC-JQKG8-RFR3R-36498
4Y8N3-H7MMW-C76VJ-YD3XV-MBDKV

NTTX3-RV7VB-T7X7F-WQYYY-9Y92F
KQWNF-XPMXP-HDK3M-GBV69-Y7RDH
MMRNH-BMB4F-87JR9-D72RY-MY2KV
GCRJD-8NW9H-F2CDX-CCM8D-9D6T9

34NH-RXG76-64THK-C7CKG-D3VPT
N4WY8-DVW92-GM8WF-CG872-HH3G7
TT4HM-HN7YT-62K67-RGRQJ-JFFXW
MNDGV-M6PKV-DV4DR-CYY8X-2YRXH

Insert the keys and enjoy.