The textbook can usually be found in the school's library or bookstore, or can be purchased online from various retailers. If you are having trouble finding it, you can ask your professor or classmates for assistance.
Many textbooks now have electronic versions available for purchase or rental. You can check with the publisher or online retailers to see if the textbook you are looking for is available in electronic format.
While some textbooks may have free versions available online, most textbooks require a purchase or rental fee. However, you may be able to find used copies at a lower cost or utilize resources such as interlibrary loan to access the textbook for free.
Some textbooks may come with supplementary materials such as online quizzes, study guides, or access to online resources. Be sure to check with the publisher or your professor to see if any additional materials are available.
In some cases, using an older edition of a textbook may be acceptable. However, it is important to check with your professor to ensure that the information and assignments in the older edition align with the current course curriculum. Additionally, be aware that page numbers and content may differ between editions.