How to install Product Key

Hey Mates,

Using 'slmgr.vbs/upk' ,I accidentally uninstalled product key .Now again I want to install product key how can I do so ,

and even Recently I made the setup of Windows OS in my laptop and everywhere I encounter with errors like command not recognized even unable to install required software in system.

Need an Advice .

Thanks in advance ..!

Hi Sai,

I'm Christine, a Windows user like you. I'll do my best to help you.
I can see here that you've accidentally uninstalled the Product Key on your device and you need to reinstall it on your computer.

Do you have your Product key? (DO NOT send it here)
If you don't have a key, you may try to download the Show​Key​Plus from MS Store.


If you have the key, please follow the steps below:

Please follow the steps below:

Method 1
On command prompt with Admin, please type slmgr /ipk (Enter your Product key) and hit enter.

Method 2
Please press Windows key + R and type slui 3 and hit enter.
Then type your Product key then hit enter.

After that, you should be able to activate your device.

Please let me know the result. I'll be happy to assist you all the way until it's resolved.

Thank you,
Christine L
Independent Advisor

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Yeah Thanks .Windows got activated .

Can u suggest me how to get connected with cmd in windows actually I'm encountered with errors like command not recognized .

even for command " ls " its is raising an error like " ls is not recognized"

Thanks.

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Hi Sai,

Thanks for updating me. I'm glad that it's activated now.
May I know what are you trying to perform from command prompt wherein you're getting the error?

Thank you,
Christine

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Hi Christine ,

Thanks for response , Actually I recently changed Ubuntu OS to Windows OS ,so I'm facing minor errors for setup of windows system ,like in command prompt every command is encountered with an error " not recognized " ,I made all required installations ,still there exists errors .

Can you help me ...!

Thanks .

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Hi Sai,

Thanks for the response. May I know which edition or version of Windows are you running? Have you tried to perform an in place upgrade?

If not, please follow the steps below:
Please try to perform an in place upgrade. In place upgrade will install the new features or updates of Windows it will also fix corrupted system files. Kindly check the steps below:

Video on how to perform in place upgrade:
https://www.youtube.com/watch?v=CAOwN68AInE&...


Please go to https://www.microsoft.com/en-us/software-downlo...

Look for Download Windows 11 Disk Image and select Windows 11 (multi-edition ISO)

- Once you're able to download the ISO, please right click and open it
- Please look setup.exe and run it
- Select yes if you will will be asked for User Control
- Choose Next to Continue
- Please read the License Agreement and once done, hit Accept
- Please wait until the setup program is done and it will check if your device space is enough for the update
- You will see the Ready to install page, please MAKE SURE that Keep personal files and apps has been checked.
- Lastly, click INSTALL and follow the prompt.
- It will restart your device several times, please wait for it to finish.




Wndows 10

Thanks for that information. I will suggest you to perform in place upgrade or run a repair. In place upgrade will install the new features or available updates for Windows it will also fix corrupted system files. Kindly check the steps below:

Please go to:
https://www.microsoft.com/en-us/software-downlo...
Note: Please disable 3rd party anti virus


Under Create Windows 10 Installation Media
Click Download Tool Now
Click on Run
Allow the User account Control
Read the License Terms and hit Accept if you agree
Choose Upgrade this PC now and hit Next
Please make sure that it shows keep files and apps and hit Next

This may take sometime depends on your connection or the performance of your device.

Please let me know the result.

Regards,
Christine

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Last updated March 26, 2025 Views 12,854 Applies to: