> For the complete documentation index, see [llms.txt](https://ctomorrow.gitbook.io/opick/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ctomorrow.gitbook.io/opick/guide/1-install-ctpay-wallet.md).

# #1 Install CTPAY Wallet

**CTPAY Wallet** is an essential tool for accessing Opick. All transactions in the NFT Marketplace are made through CTPAY Wallet. Using the CTPAY Wallet account details one can login into Opick.

CTPAY Wallet supports both Android and iOS versions of the app. Insttall via the link below:

**Google Drive :** <https://play.google.com/store/apps/details?id=app.ctmwallet>

**Apple Store :** <https://apps.apple.com/kr/app/ctpay/id1610293370>

A seperate gitbook exists for the <mark style="color:blue;">CTPAY Wallet</mark> guide. Please refer to the <mark style="color:blue;">CTPAY Wallet</mark> guide through the link below.

<https://ctomorrow.gitbook.io/home/v/kr/guide/signin>