Step 1 - LOGIN .PK ACCOUNT | Login with your .pk domain account details which provided you separetely at time of your first .pk domain registration

PKNIC USERNAME:
PASSWORD:

Step 2 - ADD NAMESERVERS | Add your hosting account Name Servers / DNS, which provided you by your web hosting provider.
Step 3 - ASSIGN NAMESERVERS | Check on your respective domain, Select modify nameservers and click Perform Bulk Action