Open up your local wallet and locate the Receive tab.
Fill Label box with MN1 and Click Request payment button to create new address.
On the opened Popup, click Copy Address.
Now head over to Send tab of your local wallet.
Paste your copied address in to Pay to box.
Enter your collateral amount and make the payment.
Now head over to Transactions tab of your local wallet.
Locate the latest transaction, labelled as Payment to yourself and double click it.
Now locate the Transaction ID on the popped-up box and copy it.
Paste the Transaction ID and Index ID above Deploy your Masternode.