That program updates the following registry entries. You can do it yourself and pick another scaling if you want. This is what I did in the past (although some recent build seems to have fixed it so I don't need to bother any more).
You could try it though... Make a file like this in notepad:
DpiScalingVer - originally 1000
Win8DpiScaling - originally 0
LogPixels - originally absent
144(x90)--->150% ** Current**
Every 25% of the scale factor corresponds to a difference of 24 dpi (120-96)
REG ADD "HKCU\Control Panel\Desktop" /v DpiScalingVer /t REG_DWORD /d 0x00001018 /f
REG ADD "HKCU\Control Panel\Desktop" /v Win8DpiScaling /t REG_DWORD /d 0x00000001 /f
REG ADD "HKCU\Control Panel\Desktop" /v LogPixels /t REG_DWORD /d 0x00000090 /f
Just save the above as DPIFix.bat somewhere and set up a task to run it on every log-on. Solved FIX | Windows 10 Blurry Text and Windows! - Windows 10 Forums
You just have to figure out what scaling you want in hex for the LogPixels value. I used 150% which is (if you calculate it) 96 (this is the starting DPI) + 24*2 = 144. Converted to hex that is x90. If you wanted 200% it would be 96 plus 4*24 which is 192 or xC0.
Like I said though it seems (at least for me) to be working without doing it now.