There is a screen recorder feature within Windows 10. It's well hidden, but Windows 10 has its own built-in screen recorder, intended for recording games. ... Click 'Start recording' or tap [Windows]+[Alt]+[R] to start, then use the same shortcut when you've finished. Recorded videos will be saved in your Videos/Capture folder in MP4 format. Here is a link to more information: https://www.techradar.com/how-to/record-your-screen

That will depend on the requirements and compatibility of the streaming service you will use. We recommend you check with the streaming service 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.

The Lenovo Yoga C740-15 model number 81TC000JUS, ships with a 4CELL_51WH_INTERNAL, Lithium Polymer Battery, with a battery life of up to 13 hours, depending on the work the device is performing.

No. The Lenovo ThinkPad T560 laptop uses a 65W AC adapter/charger. You can use this universal 65W AC adapter/Charger which has a compatible tip for the T560: https://www.bestbuy.com/site/insignia-65w-charger-for-select-ultrabooks-black/4062039.p?skuId=4062039