The Lenovo IdeaPad 3 15 Laptop, model number 81WE011UUS, ships with Windows 10 S-Mode 64-bit Operating System installed. 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.

That will depend on the APPs you will need to use. The Lenovo IdeaPad 1 14 Laptop, model number 81VS009GUS, is an entry-level, light use computer. This model 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. There is a 300p webcam and microphone built in. We recommend you check with the specific software publisher's web sites of the APPs you will need 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.

Yes. The Lenovo ThinkPad E15 Laptop, model number 20RD005GUS, ships with Rapid Charge capability (charge up to 80% in 1hr) when used with the included 65W AC adapter/charger.

Yes. You can switch out of Windows 10 S-Mode to Windows 10 Home for free. 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