To buy plagiarism checker credit or top it up, take the following steps:
Step 1: From your dashboard or any section under your account, click on your profile name located at the bottom of the left panel.
Step 2: Select the Billing option from the sub-menu that pop ups around the area.
Step 3: On the Billing page, scroll down to the Plagiarism Checker Credit section and click the Buy Credit button beside it.
Step 4: Click in the box that appears on the screen to select your preferred plan, then select Purchase below the box.
Step 5: Provide your payment method information on the payment page and click Pay below to proceed.