This requires 20GB of free space and a stable internet connection.

Missing d3dx9_*.dll , xinput1_3.dll , etc. indicate outdated DirectX.

Windows 10 comes with DirectX 12 built-in, but older games require legacy DirectX 9/10 files.

This built-in tool scans your system for corrupted or missing Windows DLLs and automatically replaces them with a clean copy from the system cache. in the Start menu search bar. Right-click Command Prompt and select Run as administrator sfc /scannow

While it is tempting to download individual missing DLL files from the internet, doing so is generally discouraged by security experts

Programs need these libraries to run; installing the package registers all the DLLs correctly in your system registry. 2. Repair the System (SFC & DISM)

While we discourage DLL download sites, there are legitimate that fetch missing files from official sources. Use these cautiously:

A: Yes, but only if both PCs have the exact same Windows build (e.g., 22H2, same architecture x64). Copy from C:\Windows\System32 to the same path on your PC, then run regsvr32 on it.

When you search "download all missing dll files windows 10," Google will show you sites like dlldownloader.com , dll-files.com , or fixdll.com .