Here is the good news: You don't actually need the old Metal Slug Complete PC disc anymore. SNK has moved on to better platforms.
If you want a pure DRM-free experience that mirrors the old physical PC edition, check GOG. Games purchased here belong to you completely, require no serial numbers, do not need an internet connection to install, and are pre-patched to run flawlessly on Windows 11. Emulation and Arcade Archives serial number metal slug complete pc new
To ensure a seamless gaming experience with Metal Slug Complete on PC: Here is the good news: You don't actually