You can access ThinkTrader web via this link: https://web.thinktrader.com/account/login
Alternately, you can access via ThinkPortal:
Step 1: Log in to ThinkPortal and click the ‘Platforms’ tab on the left. Next, click the ThinkTrader tab according to your preference and click the green ‘Open in Browser’ button.
Step 2: The ThinkTrader web terminal will open along with a window for your account log in details.
Choose Live or Demo account, enter your registered email along with the password you created previously and click Log In.
Step 3: Your ThinkTrader web terminal is ready for trading.