A:AnswerYes, you can upgrade the laptop. It takes up to 16GB of RAM (good luck finding a matching SK Hynix module, I went with a 2 x 8GB Crucial kit), and can take a SSD on SATA. It has a m.2 slot, but I think that is reserved for the wireless/Bluetooth module.
A:Answer#Dell Inspiron 15 I5567
No, Battery cannot be removed directly from the back as the same is setup internally. Battery can be replaced by sending to the Dell Technical Support or if you can do some analysis by going through youtube videos then you can do that by yourself.
A:AnswerThis should be able to handle low-to-medium resolution video editing if put in "High Performance" power mode in Windows, coupled with tweaking the AMD graphics card. Pretty amazing for the 15-25 watt power envelope for the main processor and the additional wattage needed for the AMD discrete chipset.
A:AnswerThis laptop cannot be used on a docking station. You need to buy Dell business laptop models that are capable of docking.
For the price of $599.99, this is good buy. Dell laptops that have docking capability are a little bit more expensive.
A:AnswerMost Dell systems are covered when traveling outside of your home country. You will need to contact the International Contact Center in order to initiate warranty services. Their website is (as of 12/02/2016):
http://www.dell.com/support/contents/us/en/4/article/Contact-Information/International-Support-Services/international-contact-center
A:AnswerIt comes with Windows 10 drivers, only. I recall recently reading that Microsoft would not update Windows 7 drivers to work with Intel's Kaby Lake processors (like this one).