Thanks for the questions, You can easily reset your Gmail password if you have already linked your contact number or another Gmail account of your Gmail.

Please follow this steps below to reset password of your Gmail.

Step 1: You just have to enter the username of your Gmail and click on forgot password.
Step 2: Then you will be asked to enter the last password you remember using with this Google Account.
Step 3: Enter the password if you remember.
Step 4: if not try another way that is by requesting a verification code to reset your password.
(Remember: Your reset code will go to the contact number which you have linked to that Gmail account.)
Step 5: if you are unable to receive that verification code through SMS you can request the verification code to the secondary Gmail account.
(Remember: Your reset code will go to the That Gmail address which you have linked to that Gmail account.)
Step 6: Then you will receive an email to that secondary account which contains the verification code.
Step 7:  Next you will be asked to enter the new password twice to confirm.
Step 8:  Now enter your password and remember it for future use.

Thanks
You can Read this questions which will you to learn more about Gmail recovery.
How to recover or get back lost or deleted Gmail address?