Hi there,

You must purchase a laptop which have specifications which I am listing below:

Ram- 8 GB minimum/ 16 GB maximum

Processor- inetl i5/i7

Graphic card- NVDIA/AMD- minimum 2 GB

Screen size- 14/15.5 Full HD

Storage- HDD(1TB) / SSD(500gb)

Keypad backlight

Weight-1.2 to 2 kg

Battery -4 cells

Operating system- windows

Now you can choose laptop of any brand according to your choice which has following specifications.

Hope it helps you

Good luck!