The new driver fixed the following issues:
1. Adding back the pen pressure test feature, you can test the see the pressure value directly in the driver window.
2. Support working with multiple monitors.
3. Support adjusting working area on a proportional basis.
4. Don’t need to click “Enter” at the very begining when you calibrate.
5. Fix compatibility issue with Windows 8.1

GT-190, GT-220
https://www.dropbox.com/s/qnurmz5radqw84g/PenDisplay20150120.exe?dl=0
420, 580, 540, 680s, K58, W58, 680TF
https://www.dropbox.com/s/jfd0dyimyp3vor1/TabletDriver20150120_0Expresskey_0Softkey.exe?dl=0
H610PRO, H610, 1060 PRO
https://www.dropbox.com/s/cfjt03o66tqkhjt/TabletDriver20150120_8Expresskey_16Softkey.exe?dl=0

H58L

https://www.dropbox.com/s/l78d4eo1ipebfme/TabletDriver20150120_6Expresskey_0Softkey.exe?dl=0
H580
https://www.dropbox.com/s/fy9izwrqudze1un/TabletDriver20150120_8Expresskey_13Softkey.exe?dl=0
H420,H690
https://www.dropbox.com/s/8ibpvxvzfzlkjih/TabletDriver20150120_3Expresskey_0Softkey.exe?dl=0