The key things you need to consider before buying a windows laptop priced under Rs. 20,000 are the processor and RAM. As these Windows computers are available from Rs 10,000, you can switch to dual core processor if your usage is lighter or quad core processor if you are a moderate user. The latest Windows laptop models are available at online stores like Flipkart, Amazon, Tata Cliq and their likes. You can buy from any of the websites at the lowest price by comparing the price. Along with this, you can find lots of deals and discounts on Windows notebooks running on these sites.