Go to http://joinasf.gov.pk/ and Click on Apply Online
If you have applied before and have account then Enter your Email address and Password and click on Login. If you don't have applied before then click on SignUp
Enter your CNIC Number without dashes, CNIC Expiry Date, Email address and Create a new Password and then retype the Password. Fill it like this
Then Click on SIGN UP
It will take you to Home Page.
Upload your recent Picture. Click on Upload Profile Picture and select your picture from your device. If your Picture's size is more than 30 kb you'll get this error
Click on OK and then resize your picture. You can use any image app to resize your picture. Once you have resized your picture, upload it by clicking Upload Profile Picture.
Now fill the Registration Form.