An email signature is a paragraph of information automatically appended at the end of all outgoing messages as a footer. The signature includes information such as the name, the contact information, etc. Please see below how to add a signature.
Step 1: Login your Gmail account (please refer here to open one if you do not have an account yet);
Step 2: In the Gmail account, click the "Setting" button from the right-top corner;
Step 3: Click the "Settings" command from the drop-down list;
Step 4: Click the "General" tab in the settings menu;
Step 5: Scroll the cursor down to the "Signature" section, check the signature box and type your signature in the box;
If you have a quote, you can check the box of "Insert this signature before quoted text in replies and remove the "–" line that precedes it".
Step 6: Click the "Save Changes" button at the bottom;
Step 7: If you changed your mind, please repeat the steps above and check the "No signature" box.