Download the official offline installer once, store it on a USB drive, and you’ll never be stuck hunting for legacy runtimes again.
https://download.microsoft.com/download/C/6/E/C6E88215-0178-4FA7-B7A3-0E7E2E2E8E2E/NetFx20SP2_x64.exe net framework 2.0 offline installer
On Windows 10 and 11, .NET 2.0 is technically not installed natively; instead, the OS uses .NET 3.5 (which includes 2.0 and 3.0 under the hood). Download the official offline installer once, store it