There is a limited 1-year manufacturer's warranty, covering hardware OEM issues.

The Lenovo Yoga C940-14 has an internal fan to maintain the proper operating temperature of the system. This internal fan will automatically modulate the fan speed for more cooling power when the computer is under a heavy workload. The computer will still get warm when the workload is at maximum. If you feel the computer is becoming too hot, we recommend you stop by your local Best Buy store and have the Best Buy Geek Squad examine your computer to be sure the system is operating properly.

That will depend on the requirements and compatibility of the specific software. We recommend you check with the software publisher's web site for their compatibility with Windows 10 S-Mode 64-bit operating system (Windows 10 S-Mode provides added security by only allowing APPs available ( and therefore certified by Microsoft) at the Microsoft Store. If you don't need the added security or you need to install APPs not available at the Microsoft Store, you can switch to standard Windows 10 Home 64-bit Operating System, at no additional cost.) and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration.

This is a Chromebook. It uses Google Docs for office type programs. Google Docs is completely compatible with Microsoft Office Programs and this is a free service through the Google Server. If you must have the actual Microsoft Office Programs, you can purchase Microsoft Office 365 for this Chromebook at the Google Play Store.