Hope you're safe and doing well,
I clearly understand about your problem you are currently using magento community version for that would you like to integrate the separate Worldpay payment extension on your store? but previously you have used magento commerce or enterprise version there worldpay come up by default.
First please make sure which Worldpay account you having? either business account or online account? then proceed further.
Here I recommend both Magento2 Worldpay online payment and Magento2 Worldpay Business payment.
I hope you got solution by this answer.