Windows 10: Can we use different keys for the same Microsoft account?

Hi,I have a laptop which came along with an OEM version of Windows 11, and a desktop which I'm planning to buy a pro version of Windows 11 from a retailer. I'll use the same Microsoft account to sign in both of them. Is it okay to use different Windows keys for the same Microsoft account? And which key should I connect my Microsft account to if I want to replace the outdated machine with a new one without buying a new Windows version? Thank you.

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Remove account

I suggest you backup your personalized files first before removing the account.
To delete an account, follow these steps:

1. Press WIN + X keys and click Command Prompt (Admin) from the menu.
2. Type the following command and press Enter. Replace test with the name of your sister's account. Code:

 

Edge Search Does Not Permit Change of Region


I got these suggestions from the Microsoft Community forum.No. 1 worked for me:

Thank you for posting the query on Microsoft Community. I am glad to assist you on this.
We have reproduce the issue here and we are able to access non-regional search for google using Microsoft Edge.
I would suggest you to try the below steps and check if it helps.
Step 1:
Clear browsing data option of Microsoft Edge and check if you face the issue. To do so perform the steps below.

1. Click on the More actions icon next to the feedback icon present on top right corner of the Project Spartan homepage.
2. Select Settings and click on Choose what to clear.
3. Check the boxes Browsing history, Cookies and saved website data and Cached data and files and click on Clear.

Step 2:
I suggest you to create a new user account and check if the issue occurs.

1. Go to Settings.
2. Choose Accounts and then select Family and other users.
3. Select add someone else on this PC.
4. Enter a user name and hit next.
5. Click on Finish.
6. Sign out from the current Account and Log into the new account.

Step 3:
It could also happen because of network issue. I suggest you to try with different network connection and check if it helps.

 

Trying to switch to Microsoft account from local, unable to...

I tried that, more than once. I go thru the complete procedure of getting a new Microsoft account password, then when I reach the final step to key in the Windows password, I try my NEW Microsoft account password, and I get the same message-invalid password. No luck.

Any other suggestions.