If your machine has temporary internet access and you want a graphical user interface: Press Windows Key + R to open the Run dialog box. Type optionalfeatures and press .

Click and select Let Windows Update download the files for you . Method 2: Using DISM with Installation Media (True Offline)

Always opt for the .NET Framework 2.0 Service Pack 2 (SP2) offline installer version, as it includes critical stability patches and bug fixes not found in the original release.

The 64-bit (x64) edition of .NET Framework 2.0 allows legacy applications to run on 64-bit Windows architectures. It features a common language runtime (CLR) optimized for 64-bit processing, improved memory management, and class libraries designed to bridge older applications with modern hardware environments. Key Benefits of the Offline Installer

As hardware moved toward 64-bit processors, Microsoft released a dedicated x64 redistributable package . This allowed managed applications to leverage the expanded memory and performance benefits of 64-bit architectures on Windows XP x64 and Windows Server 2003.

Restart your computer if prompted to finalize the installation.

Yes, Windows XP had a 64-bit edition (based on Windows Server 2003 kernel). The .NET Framework 2.0 64-bit installer is fully compatible. Simply download and run the same NetFx20SP2_x64.exe file. Note that Windows XP x64 requires SP2 of the OS itself.