Ensure you copied the entire memcards folder to the exact same path on your new PC, or manually redirect the emulator to your new folder using the step-by-step instructions in Section 3. Issue 3: Permissions errors / Settings won't save.
Please let me know if you want to explore how to across multiple devices, or if you need help converting specific save file formats for your games. Share public link
If you've been using the installer version and want to switch to portable mode, follow these steps: