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How to upgrade Windows 10 Home to Windows 10 Pro – Start Process Offline

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After a while ago i try to upgrade Windows 10 Home retail to Windows 10 Pro. I have one Windows 10 Pro OEM license and i think to use this license to upgrade my Windows 10 Home.

I search on the internet and find doesn of tutorials how to do upgrade and all of that says the same things. Guided by the instructions which I found on the Internet i was started the process.

First i go to Start – Settings – System – About  then i choose Change product key or upgrade your edition of Windows ( see the picture below ).

Upgrade-windows-10-home-to-pro
Upgrade Windows 10 Home to Windows 10 Pro

When i click on the link i was see window Enter a product key, then i try to enter my Windows 10 Pro OEM key but i see error 0xc004f050 ( see the picture below ). First i think that i have wrong license key or used license key. I try to ask Google again and i find that i can’t upgrade my Windows 10 Home Retail with Windows 10 Pro OEM license. I can do that only with Microsoft’s generic product key.

Enter-a-product-key-error-0xc004f050
Enter a product key – Error 0xc004f050

Note: When we use Microsoft’s generic product key for upgrade Windows 10 Home Retail to Windows 10 Pro we will lose our Windows 10 Home license. After upgrading finished our system will be without any license

In the table below we can see all Microsoft Generic Product Keys. In my case i was used Windows 10 Pro RTM Generic Key ( retail ).

Windows 10 Edition RTM Generic Key (retail) KMS Client Setup Key
Windows 10 Home YTMG3-N6DKC-DKB77-7M9GH-8HVX7
Windows 10 Home N 4CPRK-NM3K3-X6XXQ-RXX86-WXCHW
Windows 10 Pro VK7JG-NPHTM-C97JM-9MPGT-3V66T W269N-WFGWX-YVC9B-4J6C9-T83GX
Windows 10 Pro N 2B87N-8KFHP-DKV6R-Y2C8J-PKCKT MH37W-N47XK-V7XM9-C7227-GCQG9
Windows 10 Pro for Workstations DXG7C-N36C4-C4HTG-X4T3X-2YV77 NRG8B-VKK3Q-CXVCJ-9G2XF-6Q84J
Windows 10 Pro N for Workstations WYPNQ-8C467-V2W6J-TX4WX-WT2RQ 9FNHH-K3HBT-3W4TD-6383H-6XYWF
Windows 10 S 3NF4D-GF9GY-63VKH-QRC3V-7QW8P
Windows 10 Education YNMGQ-8RYV3-4PGQ3-C8XTP-7CFBY NW6C2-QMPVW-D7KKK-3GKT6-VCFB2
Windows 10 Education N 84NGF-MHBT6-FXBX8-QWJK7-DRR8H 2WH4N-8QGBV-H22JP-CT43Q-MDWWJ
Windows 10 Pro Education 8PTT6-RNW4C-6V7J2-C2D3X-MHBPB 6TP4R-GNPTD-KYYHQ-7B7DP-J447Y
Windows 10 Pro Education N GJTYN-HDMQY-FRR76-HVGC7-QPF8P YVWGF-BXNMC-HTQYQ-CPQ99-66QFC
Windows 10 Enterprise XGVPP-NMH47-7TTHJ-W3FW7-8HV2C NPPR9-FWDCX-D2C8J-H872K-2YT43
Windows 10 Enterprise G YYVX9-NTFWV-6MDM3-9PT4T-4M68B
Windows 10 Enterprise G N FW7NV-4T673-HF4VX-9X4MM-B4H4T 44RPN-FTY23-9VTTB-MP9BX-T84FV
Windows 10 Enterprise N WGGHN-J84D6-QYCPR-T7PJ7-X766F DPH2V-TTNVB-4X9Q3-TJR4H-KHJW4
Windows 10 Enterprise S NK96Y-D9CD8-W44CQ-R8YTK-DYJWX FWN7H-PF93Q-4GGP8-M8RF3-MDWWW
Windows 10 Enterprise 2015 LTSB WNMTR-4C88C-JK8YV-HQ7T2-76DF9
Windows 10 Enterprise 2015 LTSB N 2F77B-TNFGY-69QQF-B8YKP-D69TJ
Windows 10 Enterprise LTSB 2016 DCPHK-NFMTC-H88MJ-PFHPY-QJ4BJ
Windows 10 Enterprise N LTSB 2016 RW7WN-FMT44-KRGBK-G44WK-QV7YK QFFDN-GRT3P-VKWWX-X7T3R-8B639
Windows 10 Enterprise LTSC 2019 M7XTQ-FN8P6-TTKYV-9D4CC-J462D
Windows 10 Enterprise N LTSC 2019 92NFX-8DJQP-P6BBQ-THF9C-7CG2H
Windows Server 2016 Datacenter CB7KF-BWN84-R7R2Y-793K2-8XDDG
Windows Server 2016 Standard WC2BQ-8NRM3-FDDYY-2BFGV-KHKQY
Windows Server 2016 Essentials JCKRF-N37P4-C2D82-9YXRT-4M63B
Windows Server 2019 Datacenter WMDGN-G9PQG-XVVXX-R3X43-63DFG
Windows Server 2019 Standard N69G4-B89J2-4G8F4-WWYCC-J464C
Windows Server 2019 Essentials WVDHN-86M7X-466P6-VHXV7-YY726

On first try, after i typed key ( VK7JG-NPHTM-C97JM-9MPGT-3V66T ) i get same error as before. Then i try some other key from table and result was the same. After i spend a couple of hours trying to upgrade my system without results i found solution.

I was trying to upgrade my system with active internet connection!! Yes, I thought that the upgrade implies that my PC must create some connection with Microsoft’s Server and downloading some sort of file needed for upgrade. But obviously that is not a case.

When i disconnect my cable from Lan Card and fill filed with Microsoft’s generic product key  ( VK7JG-NPHTM-C97JM-9MPGT-3V66T ) i click on Next and the Upgrade your edition of Windows window was appeared ( see the picture below ).

upgrade-your-edition-of-windows-start
Upgrade your edition of Windows

After clicking on the Start, the process started! On the picture below we can see how it looks like. While the process is running, the computer has been restarted several times and when upgrade was finished the welcome screen appear.

preparing-for-upgrade
Preparing for upgrade

Now i was plug-in my UTP Cable back to Lan Card and insert my Windows 10 Pro OEM key and all is done. I was successfully upgrade my Windows 10 Home Retail to Windows 10 Pro OEM.

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