The following solution has been reported to a problem where fonts in the Version 5.5 edit window appear blurry:


1) Right click on the application you want to correct the fonts of, select Properties

2) Go to Compatibility tab.

3) Under Settings section, check Disable display scaling on high DPI settings

4) Apply and close the window​

Some information about this problem are available from Microsoft support sites:
https://support.microsoft.com/en-us/kb/2900023
http://answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_personal/how-to-disable-display-scaling-on-high-dpi-devices/d236a422-49a7-46a3-8edf-f8f11d889fae?auth=1