To install CUDA on WSL2, follow these steps:Step 1: Check for WSL updates by running 'wsl.exe --update' in PowerShell.Step 2: Remove the old GPG Key by running 'sudo apt-key del 7fa2af80'.Step 3: Install the Linux x86 CUDA Toolkit Using WSL-Ubuntu Package, follow the detailed instructions provided in 'CUDA Toolkit 12.8 Update 1'.