1. Open the Mail app on your Windows computer by searching for "Mail" in the search bar on the taskbar.
2. Click on "Add Account" to add a new email account.
3. Select "Advanced setup" at the bottom of the screen.
4. Select "Internet email" as the account type and click on "Connect".
5. Enter your name, email address, and password in the fields provided and click on "Sign in".
6. In the "Incoming email server" section, select "IMAP" as the account type.
7. In the "Server" field, enter "mail.cotse.net".
8. In the "Account name" field, enter just your account name (no @cotse.net).
9. In the "Password" field, enter your email password.
10. In the "Outgoing email server" section, select "SMTP" as the account type.
11. In the "Server" field, enter "www.cotse.net".
12. Make sure the checkbox "Outgoing server requires authentication" is checked.
13. Click on "Connect".
14. In the "Advanced setup" section, select "IMAP4" as the account type.
15. In the "Incoming email server" field, enter "mail.cotse.net".
16. In the "Account name" field, enter your account name.
17. In the "Username" field, enter just your username (no @cotse.net).
18. In the "Password" field, enter your email password.
19. In the "Outgoing email server" field, enter "www.cotse.net".
20. Make sure the checkbox "Outgoing server requires authentication" is checked.
21. Set the encryption method to "SSL/TLS".
22. Set the incoming server port to "993".
23. Set the outgoing server port to "465".
24. Click on "Connect".