Yes, the DLL works on portable Windows 10 installations. Place it in the game directory on your portable drive, run the game executable with appropriate permissions, and ensure all required redistributables are installed on the portable environment.

GSRLD.DLL is a dynamic link library (DLL) file associated with the GSRLD (Gemplus Smart Card Readers) software. It's a crucial component for smart card readers, particularly those developed by Gemplus (now Gemalto). This DLL file contains code and data that multiple programs can use simultaneously, making it a vital part of the Windows operating system.

Once you have the 64-bit version of the file, you must place it in the correct directory for Windows 10 to recognize it: