The safest but most expensive option. You can buy Home or Pro licenses directly through the Windows settings after installation.
Never "buy" an ISO file from a third-party site. These can be tampered with or contain malware. Always get the official file directly from Microsoft using their Media Creation Tool or direct ISO download pages. buy windows iso
To use Windows legally and remove "Activate Windows" watermarks, you need a license. You have a few legitimate paths: The safest but most expensive option
Major stores like Best Buy , Amazon (look for "Ships from and sold by Amazon"), or Newegg sell physical or digital keys. These can be tampered with or contain malware
Go to the Windows 10 Download Page and use the "Create Windows 10 installation media" tool. Choose the ISO file option during the setup process. 2. Buying the License (The "Activation")