1. Download the App: Visit the TunnelBear website at tunnelbear.net and sign in using your account details.

2. Select VPN Type: Choose between TUNNENDP or TUNNENDP-GRANULAR from the options available on the app.

3. Install VPN: Click on the TUNNENDP-GRANULAR option, then click "Install" to start the download. Be prepared for some time as the download may take several minutes.

4. Set Up Credentials: Log in using your regular email and password. Enter your TunnelBear credentials to sign on.

5. Configure Account: Go to the profile section, enter your personal details (e.g., email, password), and set up your account with additional security measures.

6. Use the App: Access the web browser normally, but use the chat window for messaging. Explore features like live chat and video calls.

7. Enable Local Network: Ensure your local network is enabled for services like streaming or video calls.

8. Check Security Settings: Review the security settings to ensure they are configured correctly, including firewall settings if necessary.

9. Access Services: Try accessing internet services such as streaming or websites. Be ready to adapt if issues arise.

10. Monitor Profiles: Check your profile for any notices or warnings. If issues occur, refer to the official support page or contact customer support.

Remember to follow the instructions carefully and stay updated with any security updates or support information available.