The Lenovo IdeaPad 3 14 Laptop model number 81W000NGUS, is not user upgradable. A certified technician must do all of the work, so as to not void the warranty. This model ships with: 128GB M.2 2242 PCIe 3.0x2 NVMe solid state hard drive plus 1TB HDD 5400rpm 2.5 inch. The maximum storage support for this configuration is: Up to 2 drives, 1x 2.5 inch HDD + 1x M.2 2242/2280 solid state hard drive: • 2.5 inch HDD up to 1TB plus • M.2 2242 solid state hard drive up to 512GB or • M.2 2280 solid state hard drive up to 512GB. We recommend you consult with your Certified Technician about your storage upgrade options.

That will depend on the requirements and compatibility of the specific APPs you want to use. The Lenovo IdeaPad 3 14 Laptop, model number 81W000NGUS, ships 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. We recommend you check with the specific APPs software publisher's web site for the APPs you will be using, 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.

That will depend on the requirements and compatibility of the specific APP you want to use. The Lenovo IdeaPad 3 15 Laptop, model number 81W1018XUS, ships 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. We recommend you check with the specific APPs software publisher's web site for the APPs you want to use, 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 7 Inch Smart Display, model number ZA5K0012US, ships with a Input: AC 100-240V, 50/60Hz, Output Voltage: 20V 1.5A 30W AC adapter.