You will need
  • 1. Personal computer.
  • 2. Computer game.
First look in the game folder if there is file with name like "cofig.exe", "configure.exe", "setting.exe" or "setup.exe". Such names usually have the file running menu game settings without launching the game. In the section under the name "video" or "graphics" select the desired resolution and save the changes.
If there is no such file, run the game itself. In the appeared interface, click "settings". There will be presented the different sections: adjust sound, control and video settings. Selecting graphics settings, set the desired resolution and save the result.
The resolution can be changed manually, without using special interfaces. In the game folder usually there is a file called "config.ini", "setting.ini", etc., you can open It with Notepad and find the section with graphics settings. It is possible to rewrite the resolution selected for the required (for example, from 1024x768 to 1920x1080). Then, close the file, saving your changes.