On modern 64-bit systems, .NET 2.0 and 3.0 are bundled inside .NET 3.5. You can enable them through your system settings without needing to find a separate executable:
: You can download the .NET Framework 2.0 Service Pack 1 (x64) directly from the Microsoft Download Center . net framework 2.0 offline installer 64-bit
For older systems like Windows XP or Windows Server 2003 that lack built-in "Windows Features" management, you must use the official standalone installer. On modern 64-bit systems,
How to Install .NET Framework 2.0, 3.0 and 3.5 in Windows 11 [Tutorial] On modern 64-bit systems