Here are some pointers which may help.
Hauptwerk is the program which enables different virtual instruments to be played and is designed particularly to support virtual organs. You must install Haupwerk first and then you can “add in” virtual organs (or harpsichords) which may the be played in real-time through the Haupwerk system.
You can evaluate Hauptwerk for free and don’t initially have to worry about the USB key.
Quick start suggestion for your Windows 10 environment.0.Download the hauptwerk User Guide.
https://www.hauptwerk.com/support/documentation/Don;t be intimidated by its size - you only need a very small part of it to get started.
1. Download Hauptwerk from the MDA site.
http://www.downloadhauptwerk.com/win.
You can usually do this from within your web browser.
2. Run the .exe file which will be downloaded. This is the Hauptwerk installer. See pg 21 of the manual.
(This is step 7 of pg 21). Follow the instructions given by the installer. taking the defaults.
3. Reboot the system
4. Try out Hauptwerk using the Hautpwerk shortcut. (See pg 33 and following)
The full installation of Hauptwerk includes installing the St Anne virtual organ which helps test out the installation. Even if you don’t have a way of connecting a midi keyboard to your computer, you can “play” notes on St Anne using the mouse (make sure you have stops drawn for the division you are trying to play).
Sample sets are added to a Hauptwerk installation using facilities within Hauptwerk itself. See the Haupwerk User Guide pg 170 for details.
Whilst the Hauptwerk User Guide offers instructions on setting up the system, you may find it useful to look at another source of information. Try looking at
http://www.midiworks.ca/ebook/hauptwerk_explained.pdf. From pg 19 this document goes through the installation of Hauptwerk. Although the screen shots are from a Mac computer, they are essentially the same on Windows.
The midworks document gives some details of connecting a midi keyboard to your system .
You may also find Randall Mullin’s document helpful
http://www.randallmullin.com/Hauptwerk%20Experience.pdfThere is also Ken Spencer's book which some have found very helpful
http://forum.hauptwerk.com/viewtopic.php?f=1&t=14329 for details.
Iain.