Microsoft has updated the Microsoft Store app, introducing a personalized home page and improved performance, with start times reportedly twice as fast as six months ago. Users can now install individual game components, and there is a new feature for launching Windows search to quickly find and install apps or games from the Store. Additionally, app suggestions for opening file extensions are being tested for Windows Insiders in the US and China. Copilot AI features have been added, allowing users in the US to ask questions while browsing product pages. Other enhancements include better search capabilities and improved labeling and discovery options.