Some players faces problems on not increasing screen resolution upper from the 720p. They can't choose 1080p for PES 2017.
For fixing the PES 2017's Screen Resolution Follow these instructions:
- Go to your Pro Evolution Soccer 2017 Game Folder
- Find Settings.exe
- Right click on it.
- Find Compatibility tab.
- Select Disable High DPI Settings from the tick box.
- Click Apply and Okay.
- Run Settings.exe as an Administrator.
- You can see higher Resolutions now.