Step 3. Go to your Hotmail email account and mouse over your account name in the top right corner of your mail page. Select Options from the drop-down menu. Step 4. Click on the Mail tab in the left sidebar. Select the Message font and signature option in the Writing Emails section.Step 5. Scroll down to the Personal Signature section. Right-click in the text field and select the Paste option to paste your Facebook icon into your signature.Add your Facebook page URL if you wish, and click the Save button below to save your changes.Step 1.tep 3. Go to your Hotmail email account and mouse over your account name in the top right corner of your mail page. Select Options from the drop-down menu. Step 4. Click on the Mail tab in the left sidebar. Select the Message font and signature option in the Writing Emails section.