# How do I begin investing as a sponsor?

In the Castle Defense game, as a sponsor, you can invest by buying an NFT Castle, then hire Esports players to upgrade and increase its value and finally sell it for profit.

To begin investing, please follow the steps below:

Step 2: In the welcome popup, please select the "Entrance"button.

![](https://3267086039-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-McOCMix-W8i2E1D5pt3%2F-MfpNHbRYASdzWuncM0e%2F-Mfpp4O7LW0WY5QRzrID%2F30JUL2021-1.png?alt=media\&token=9d50ba7e-68af-40f6-bf1d-9640c648ab03)

Step 3: Please log in with your Pocket Arena account.

If you don’t have an account yet, please follow [this article](https://support.pocketarena.com/support/docs/english-support/how-to-create-a-new-pa-account/).

![](https://lh3.googleusercontent.com/o3md1Gp7myzEiN3Nckog1NNS_3sk7QpiAtLSISbgE54pdinGuCqCFxP3Nw3Zw3bPCsI2chz_XD1HaBqyjjGDhKTD47u0iC0hxiFdoh6rnsjaHAwCG_kJN9RUSGK8NOTrKFetYFvU)

Step 4: Once logged in, you are ready to use and invest in the NFT Castle items.

Please check some of the related articles below:


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