An error is reported when running OpenGL program, as shown in the figure:

Solution: Copy glut32.dll to the C:\ windows\ SysWOW64 directory instead of to the C:\ windows\ System32 directory as the online tutorial does.
Because my system is Win10 64-bit, the folder SysWOW64 is used to run 32-bit software.

Reproduced in: https://www.cnblogs.com/huahai/p/7270952.html