Apple ID or Password is incorrect when i tray to sign with my ID in Mac

The Computer Password is a different thing for the Apple ID.

You have been able to Log Into the Apple Support Community using your Apple ID and Apple ID Password

The Computer password would be the password used when this computer was first setup when New.

Reset Computer Password  for the Administrator Account Password

Intel Computer

1 - Restart computer and immediately hold Command + r keys

2 - Top Tool Bar >> Utilities >> Terminal

3 - Type resetpassword as one word and no spaces

4 - Press Return key

5 - Follow the prompts and remember the New Password

Apple Silicon M1 Computer 

1 - Choose Apple menu > > Shut Down.

2 - Press and hold the power button on your Mac until you see “Loading startup options.”

3 - Click Options, then click Continue. 

4 - Top Tool Bar >> Utilities >> Terminal

5 - Type resetpassword as one word and no spaces

6 - Press Return key

7 - Follow the prompts and remember the New Password

The password would be same password you used to sign into this website to post your above question