Remove PC-90 Software:
As PC-90 software is registered through the Windows Add/Remove Programs 
control panel, it must be completely removed to install a newer version. 
You should never have 2 different versions of PC-90 software installed 
simultaneously. 

To uninstall PC-90 Software:
1. Go to Start/Settings/Control Panel /Add/Remove Programs.
2. Scroll down to UnLexiconPC90.
3. Click the Add/Remove button.
4. Click the Yes button when asked "Are you sure you want to completely remove 
'UnLexiconPC90' and all of its components?".
5. Click OK to close the control panel.
6. Run the SETUP.EXE file extracted from the V310Plugins.exe file.  

Update Studio Driver: 
If you have a CD-ROM or have downloaded Lexicon Studio drivers with 
a higher revision number than those currently installed in your system, 
you should choose to update your driver. To do so, follow the directions 
below.
1. Go to Start / Settings / Control Panel / System.
2. Click on the 'Device Manager' tab..
3. Open the directory for 'Sound, Video and Game Controllers.
4. Highlight 'Lexicon IDS Sound System' by clicking on it.
5. Click the Properties button.
6. Select the 'Driver' tab within the Properties page.
7. Click the U pdate Driver... button.
8. Windows will ask you if you wish it to search for the driver. Select 
' Y es (Recommended)'.
9. Windows will search whichever drive from which a driver was last loaded. 
If you installed drivers from floppy disk, it will check only the floppy drive. 
If you have loaded the updated drivers from different media, you will need to 
click the Other Locations... button and Browse to the CD-ROM for the new
driver.
10. Click the Finish button.
11. Windows will prompt you to restart now.