On the Search results page, you may see the following: To search by keyword, at the top of the page, in the Search Download Center search box, type the word or words you wish to search for.
If you would like to search for specific downloads, start by using one of these methods. If you would like Microsoft to scan your computer and recommend updates, please see the preceding question. Items available as free downloads are linked to details pages, where you can learn more about them and initiate downloads.
For your convenience, items available for purchase are linked directly to Microsoft Store. The Microsoft Download Center has recently been revised to better serve you as a one-stop shop for products available for purchase, in addition to products and downloads available for free.