You cannot view your current Gmail password in plain text
If you are signed in, check your saved passwords in your browser or password manager
On Chrome, go to Settings, then Password Manager, then search for Google or Gmail
On iPhone, check iCloud Keychain passwords in Settings
On Android, check Google Password Manager in Settings
If you forgot your password, use the Google Account recovery page to reset it
If you want to change it, go to your Google Account security settings and update your password
If you suspect unauthorized access, change your password immediately and enable 2-Step Verification