Go to your Gmail inbox using your browser of choice. Copy the text that is in the address bar (see below if you don’t know what that is) Go to the desktop and right-click, then choose New>Shortcut. Paste the webpage address you copied into the ‘Create Shortcut‘ dialogue.How do I make a Gmail icon?
Log in into your Gmail account. Hover over the "gear" icon and select "Settings". Under the "General" tab, scroll down to the email signature box. Under your name and other contact information, select the "Insert Image" icon.How do I get Gmail icon on my laptop?
Make a browser bookmark. Drag the bookmark to your desktop. It won't have the GMail icon, but will probably have your browser's icon, however it will be a serviceable link. If you use Chrome, you can enable Application shortcuts and have a GMail icon on your desktop, your start menu or in your taskbar - or in all three.