How to Create Key store File ?

Before Upload and Publish Your Application to Google Play. You need to Certified Your Application With Key store file. You Also need to Sing it before Publish. it's a Easy to Create. Follow this Step. I'm Using Eclipse for Make this tutorial. 

Step 01 - Open Eclipse. then Right click Any of your Android Application Project. if you Don't have Any Application yet, create new Android Application. (File -> new --> Android Application). Click Right Click. And go to Android tool --> Export Singed Application 

Step 02 - Now You see Window With your new Application name. Click next. 

Step 03 - Select Create New KeyStore and choose Any Location for save it. then Enter Any password and Confirm it. Click Next. 

Step 04 - Now you see Another Window. Fill All Detail you wish to use for your Future Application Product. 

• Alias - Enter Your Company name. you can use Any name. 
• choose same password. 
• Confirm your Password. 
• Validity - Enter More than 50 year. 
• Enter other Detail. 

And Click Next. 

Step 05 - Finish creating Keystore file. 

You see this Window After Fill your Company details. Now click Finish button. then Go to Folder You select. You are Done. Your new Keystore file is here. No need to create Another Key store File. Use it for your All Application. 

if you have a Any problem. comment it.  good luck. have a Nice day.