There is no built in CD/DVD drive within the Lenovo Yoga C740-14, but you can use an external, USB-based Windows 10 compatible CD/DVD drive with this laptop.

That will depend on the requirements and compatibility of the specific games you want to play. The Lenovo IdeaPad 3 15 laptop, model number 81WE011UUS, ships with Windows 10 S-Mode 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. We recommend you check with the specific game's software publisher's web sites for their compatibility with Windows 10 S-Mode 64-bit operating system 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.

There are parental controls within Windows 10. Here is a link to more information: https://news.microsoft.com/en-in/features/windows-10-parental-controls-feature/#:~:text=To%20turn%20on%20parental%20controls,are%20turned%20on%20by%20default. Whether the entry-level Lenovo IdeaPad 1 14 Laptop, model number 81VS009GUS, will depend on the requirements and compatibility of the specific APP you want to use. The Lenovo IdeaPad 1 14 has a 300p webcam and microphone. It ships with Windows 10 S-Mode 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. We recommend you check with the specific APPs software publisher's web site for their compatibility with Windows 10 S-Mode 64-bit operating system 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.

The Lenovo IdeaPad 3 15 Laptop, model number 81WE011UUS, ships with Windows 10 S-Mode Operating System and uses the Microsoft Edge Browser. 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. To install the Chrome Browser, you will need to switch out of S-Mode to Windows 10 Home 64-bit Operating System. Here is a link to instructions for switching from Windows 10 S-Mode to Windows 10 Home: https://support.microsoft.com/en-us/help/4456067/windows-10-switch-out-of-s-mode