If you have not connected any stores to BigSeller:

After signing up with BigSeller, you will be directed to Dashboard Wizard Setup
 

Step 1:

Select Shopee and Click on Connect Store, input the nickname and click on Connect Store

Step 2:

After that, we will direct you to Marketplaces and you'll be prompted to log in to your account.

If you would like to connect more stores to BigSeller:

 

Step 1:

Click on Integration, or just go to Dashboard and click on Integrations, and we will direct you to Integration

 

Step 2:

Click on Add New Store > Input the store nickname and click on Connect Store






Step 3:

Just follow the methods of Step 2 and Step 3 above