How to know your gmail account is hacked or involved with any unauthorized activities

 Step 1:open your gmail account

             Step 2:scroll down and you can see the     last activtity option

         Step 3:click,the last activity option(details)

 Step 4:when you can see the ip address and  browser like firefox, google chrome and the location

           Step 5: you will decide its your ip address     and location .  suppose its hacked

you will find any unauthorized action in your account  you must change your password