Select the box called 'Run this program in compatibility mode for:' and select 'Windows 7' from the scroll-down menu. Go to the tab called 'Compatibility' and look all the way down to 'Change settings for all users'. Right-click on those and go to 'Properties'. To make RTW work, go to your install-folder for RTW and locate the files: 'RomeTW.exe' and 'RomeTW-BI.exe'. It seems like a lot of text, but it's just to cover every nimble-bimble-n00b-step along the way guys <3 THIS FIX IS FOR PLAYING ROME:TOTAL WAR AND ROME:TOTAL WAR - BARBARIAN INVASION on Windows 10 I think what was missing was copying the dx9 libraries into the game folder and maybe the NVIDIA max prerender setting. It finally worked thanks to HazardHawk's guide on Steam Community: