The text below (other than edited bits within  brackets) is from Microsoft.com in regard to Windows NT 4.0; there certainly may be differences between this and other versions of Windows NT, and this has not been tested for accuracy by staff at Eskimo North. If this is incorrect, please let us know the proper locations, names, or steps.
Alternately, O'Reilly & Associates Inc. has made chapter 6 ("Dial-out PPP Setup") of their Using & Managing PPP book available on thier website, including Windows NT instructions:
Eskimo North Support
To configure Windows NT to connect to an ISP using PPP, follow these steps:
- If the TCP/IP protocol is installed, you can proceed with step 2. If the TCP/IP protocol is not installed, double-click Network in Control Panel, click the Protocols tab, click Add, click TCP/IP Protocol, click OK, and then follow the instructions on your screen.
- In My Computer, double-click Dial-Up Networking.
- If you have run Dial-Up Networking before, click New to create a new phonebook entry for your ISP. If this is the first time you have run Dial-Up Networking, you receive the following message:
The phonebook is empty. Press OK to add an entry.
- Under Name The New Phonebook Entry, type a name for your ISP [such as Eskimo North], and then click Next.
- Click the I Am Calling The Internet check box to select it, and then click Next.
- Under Phone Number, type your ISP's phone number, click Next, and then click Finish.
- Click More, and then click Edit Entry And Modem Properties.
- Click the Server tab. Ensure that Dial-up Server Type isi set to PPP, Windows NT, Windows 95 Plus, Internet.
- Click TCP/IP Settings, modify the settings to match the settings provided by your ISP [DNS servers 126.96.36.199 and 188.8.131.52], and then click OK.
- [We do not require a script, click on OK.]
- Click OK, and then click Dial to connect to your ISP.
- Type your user name and password for your ISP account, clear [empty] the Domain box, and then click OK.