Step 1 :- Install Metamask wallet on Chrome browser as an Extension. https://metamask.io/download

Step 2 :- Setup Metamask on Ethereum Mainnet.

Step 3:- Click on Add Token and select Custom Token

Step 4:- Add our Contract Address:-

Ethereum address: 0xdf09a216fac5adc3e640db418c0b956076509503

BSC address: 0x4b5decb9327b4d511a58137a1ade61434aacdd43

Name : POKEN

Symbol : PKN

Decimal : 18

Step 5:- Click on Add Tokens

Step 6:- Your Metamask wallet should look like this.