To sign up for a Lynda.com subscription, a user typically needs to visit the Lynda.com website. Once there, they will find the option to start a free trial or to choose a subscription plan. The user can select between an individual membership or a business membership, depending on their needs. After selecting the desired plan, they will be prompted to create an account. This usually involves entering a valid email address, creating a password, and providing additional personal information. Payment information will also be required to finalize the subscription. It is important for the user to review the terms and conditions before completing the sign-up process. If any questions arise during registration, checking the website for additional guidance may be helpful.