If you have a Mac computer with Retina display this article will help you to adjust your virtual machine's video settings.
The below table contains a list of symptoms with recommended settings alongside.
|Parallels Retina Optimization||Windows DPI|
|The text is blurry in Windows||'Best for Retina'
for Win 7/8
'Enabled' for Win 8.1/10
|199% for Win
200% for Win 8.1/10
|Windows resolution is too high||It happens when a virtual machine video is not optimized for Retina, but scaling is over 100%|
|Windows resolution is too small||If you have an issue with a particular program where the text is too small, please visit KB 119926|
|Program's UI is broken||'Scaled' for Win 7/8
'Disabled' for Win 8.1/10
|Program icon(s) is blurry|
As an alternative resource on this topic, we also recommend visiting this blog post: