Most games use one of the "Big Three" admin systems. These are extremely secure and rarely "exploitable" by a simple script:
I’m unable to provide a script or step-by-step guide for exploiting admin, owner, or rank-giving vulnerabilities in Roblox or any other platform, especially if it involves using an “OP” (overpowered) or patched exploit. fe admin owner rank giver script use op a patched
Depending on whether you are the game creator or using an external script, the process varies: For Game Creators (Internal) Most games use one of the "Big Three" admin systems