Look for a white sticker on the back of the plastic CD case or underneath the disc itself.
Right-click the .exe file, go to Properties > Compatibility , and set it to run in Windows XP (Service Pack 3) mode.
Some versions printed the serial code on the back cover of the instruction booklet.
If you are looking for your specific key, check these three locations:
Many of these legacy keys are region-locked or version-specific, meaning a random key found online often won't work with your specific installer. How to Install and Activate on Windows 10/11
