Build Instructions for the upcoming version 12.0.0.

Signed-off-by: Robert F. Frasca <[email protected]>

Author: rffrasca

docs/Build-Instructions-v12.md

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+# Building PDFKeeper v11 from Source
+
+## Install Development Applications and Tools
+
+1. Microsoft Visual Studio 2022 - https://www.visualstudio.com/downloads/
+2. WiX Toolset Build Tools - Download and install v3.14.1 using "Manage Extensions" in Visual Studio.
+3. WiX v3 - Visual Studio 2019 Extension - Download and install using "Manage Extensions" in Visual Studio.
+4. Wax - Download and install using "Manage Extensions" in Visual Studio.
+5. Microsoft HTML Help Workshop - https://web.archive.org/web/20201201163924/http://www.microsoft.com/en-us/download/details.aspx?id=21138
+
+## Get the Source
+
+When available, download the source code for a v12 release from [here](https://github.com/rffrasca/PDFKeeper/releases). For the latest version in development, clone the https://github.com/rffrasca/PDFKeeper repository to your development system using Git.
+
+## Download and Extract Third-Party Components
+
+* Ghostscript for Windows (64 bit) - https://www.ghostscript.com/download/gsdnld.html
+
+  After downloading, extract gswin64c.exe and gsdll64.dll from the Ghostscript installer into the vendor folder in the PDFKeeper solution using the following instructions:
+
+  1. Download and install 7-Zip Portable - https://portableapps.com/apps/utilities/7-zip\_portable
+  2. Open 7-Zip Portable.
+  3. Select gsxxxxw64.exe in folder where downloaded.
+  4. Select the File menu, and then Open Inside.
+  5. Open the bin folder.
+  6. Select gswin64c.exe and gsdll64.dll.
+  7. Select Extract.
+  8. Select the vendor folder in the PDFKeeper solution.
+  9. Select OK.
+
+* Oracle ODP.NET 23.5.1 - https://www.nuget.org/packages/Oracle.ManagedDataAccess/23.5.1
+
+  1. Open in NuGet Package Explorer.
+  2. Under Contents expand lib, and then expand net472.
+  3. Double click Oracle.ManagedDataAccess.dll.
+  4. Download Oracle.ManagedDataAccess.dll to the vendor folder in the PDFKeeper solution and Unblock.
+
+  ## Build PDFKeeper
+
+1. Open src\\Help\\en-US\\PDFKeeper.hhp with HTML Help Workshop and compile.
+2. If src\\Help\\PDFKeeper.en-US.chm resides on a network/remote drive, copy to a local drive.
+3. Open PDFKeeper.en-US.chm. If the help file fails to open, as an Administrator, execute *regsvr32 C:\\Windows\\System32\\hhctrl.ocx* and then repeat the compile and test again.
+4. Open "PDFKeeper.sln" with Visual Studio.
+5. Set configuration to Release, and then Build the Solution.
+
+   After a successful build, "PDFKeeper-11.x.x.msi" will exist in "PDFKeeper\\src\\PDFKeeper.Setup\\bin\\Release".
+