I have installed Microsoft Office and entered the product key, but the activation wizard doesn't work. How do I solve this problem?

 Activate Microsoft 365 or a non-subscription version of Office

It means you likely do not have a valid license key. Purchase one.

Trying it via the cmd method might give you a more complete error msg if you are so inclined.

Type into the search field: cmd.exe

Click with the right mouse button on cmd.exe and select “Run as Administrator”

If you are running a 32bit Office on a 32bit windows or an 64bit office on a 64bit Windows, enter:

C:\Program Files (x86)\Microsoft Office\Office16>

Type below commond to revok this promt

cscript ospp.vbs /unpkey:Last 4 Digit of key

To Enter new key

cscript ospp.vbs /inpkey:your key

File can not download because the virus scan failed in windows 11 how do I fix that

 Please follow these steps to resolved this issue 

Pressing Windows+R together 

Type "Regedit" and press enter to open the registry editor. 

Navigate to \HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\AttachmentOnce 

You have found the Attachment folder click on it to locate ScanWithAntivirus on the right side, right-click on ScanWithAntivirus, select modify and put the value as "0" (i.e equals "off").This will fix the problem of "Virus Scan Failed" every time you attempt any download.

After Installing windows 11 how to start windows directly without any setup

 Use this commond in CMD- start ms-cxh:localonly

How do I upgrade from Windows 11 Home to Windows 11 Pro?

 Do you have the Windows 11 Pro key?

-If you have a Windows 11 Pro product key
1-Click on Start then click on Settings
2-Click on System, scroll down and click on Activation
3-Click on "Change product key", and then enter the 25-character Windows 11 Pro product key
4-Select Next to start the upgrade to Windows 11 Pr


-If you don't have a Windows 11 Pro product key
1-Click on Start then click on Settings
2-Click on System, scroll down and click on Activation
3-Under Upgrade, your edition of Windows, select "Open Store"
4-Make sure you’re signed in with your Microsoft account to purchase Windows 11 Pro
5-After you confirm your purchase, you’ll be prompted to install Windows 11 Pro and restart your PC. You’ll then be running Windows 11 Pro.

-If you only have a digital license, you can use a generic key to upgrade
1-Right-click on the Start then click on Windows Powershell(admin)
2-Run these commands:
SLMGR.VBS /CPKY and press
SLMGR.VBS /CKMS and press enter
Net stop Sppsvc and press enter
CD C:\Windows\System32\SPP\Store\2.0 and press enter
Ren Tokens.dat Tokens.old and press enter
SLMGR.VBS /RILC end press enter
changepk.exe /ProductKey XXXX-XXXX-XXXX-XXXX and press enter
3-Reboot your PC