The official Instructor’s Solution Manual is not available to students. However, if you have a legitimate access code for Pearson+ or MasteringEngineering, you often get access to "Selected Solutions" or guided tutorials for odd-numbered problems. Check your library or course portal.
Many engineering libraries keep a physical or digital copy of the solutions manual on reserve. You can use it on-site or check it out for short periods. Guide to Finding and Using Solutions for "Fundamentals
Scanned copies circulating online are often from earlier printings (e.g., 6th or 7th edition) mislabeled as 8th edition. Worse, some "solutions" are student-generated and contain serious errors. Learning from incorrect solutions will harm your understanding and exam performance. Check your library or course portal