A:AnswerThis laptop is equipped with the Realtek RTL8723DE chipset which only supports 2.4 Ghz in then 802.11 n specification. Of course you can also add a USB to 802.11ac or 802.11ax adapter for faster WiFi speeds.
A:Answer"Any type" is a very broad category. It will certainly be able to play most games, but there will undoubtedly be some that require more powerful hardware.
A:AnswerOffice 2003 will not work on Windows 10. Here is more information from Microsoft: https://support.office.com/en-us/article/which-versions-of-office-work-with-windows-10-0fc85c97-da69-466e-b2b4-54f7d7275705