That will depend on the requirements and compatibility of the specific games. The Lenovo IdeaPad 3 15 Laptop, model number 81WE00NKUS, ships with the 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 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 81WE00NKUS, is not compatible with any active/digital pen. You can use a capacitive touch stylus as a finger replacement on the touchscreen, like this one: https://www.bestbuy.com/site/insignia-stylus-silver/3695185.p?skuId=3695185

Your new router should be backward compatible to 5G 802.11ac WiFi. We recommend you check the specifications of your specific router model with your router manufacturer.

That will depend on the requirements and compatibility of the software you will want to use. The Lenovo IdeaPad 3 15 Laptop, model number 81WE011UUS, does not have a touchscreen. 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 software publisher's web sites for the software that will be used, 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.