diff --git a/Build-Windows.md b/Build-Windows.md
index 5c31a17..653317a 100644
--- a/Build-Windows.md
+++ b/Build-Windows.md
@@ -45,7 +45,8 @@ Download ZIP or clone SoapySDR from https://github.com/pothosware/SoapySDR to `C
 * Launch CMake, set source path to `C:/MSVCDev/SoapySDR/`
 * Set destination to `C:/MSVCDev/SoapySDR_win64/`
 * Click "Configure" and choose "Visual Studio 15 2017 Win64" and Finish
-* Set SOAPY_SDR_ROOT to `C:/MSVCDev/SoapySDR_win64/`
+* Set CMAKE_INSTALL_PREFIX to `C:/MSVCDev/SoapySDR_install`
+* Set SOAPY_SDR_ROOT to `C:/MSVCDev/SoapySDR_install`
 * Click Configure again, all should be good, then Generate.
 
 Open "Developer Command Prompt for VS2017" by right-clicking and "Run as Administrator".
@@ -155,6 +156,8 @@ Copy the file `rtlsdr.dll` in the `C:\MSVCDev\CubicSDR_win64\x64` directory wher
 * Launch CMake, set source path to `C:/MSVCDev/SoapyRTLSDR/`
 * Set destination to `C:/MSVCDev/SoapyRTLSDR_win64`
 * Click "Configure" and choose "Visual Studio 15 2017 Win64" and Finish
+* Set CMAKE_INSTALL_PREFIX to `C:/MSVCDev/SoapySDR_install`
+* Click "Configure" again
 * Set RTLSDR_INCLUDE_DIR to `C:/MSVCDev/librtlsdr/include`
 * Set RTLSDR_LIBRARY to `C:/MSVCDev/librtlsdr_win64/src/Release/rtlsdr.lib`
 * Click "Configure" again and then click "Generate"
@@ -178,10 +181,10 @@ Copy the generated module file `rtlsdrSupport.dll` in the `C:\MSVCDev\CubicSDR_w
 * Launch CMake, set source path to `C:/MSVCDev/SoapySDRPlay`
 * Set destination to `C:/MSVCDev/SoapySDRPlay_win64`
 * Click "Configure" and choose "Visual Studio 15 2017 Win64" and Finish
+* Set CMAKE_INSTALL_PREFIX to `C:/MSVCDev/SoapySDR_install`
+* Click "Configure" again
 * Set LIBSDRPLAY_INCLUDE_DIRS to `C:/Program Files/SDRplay/API/inc`
 * Set LIBSDRPLAY_LIBRARIES to `C:/Program Files/SDRplay/API/x64/mir_sdr_api.lib`
-* Set SOAPY_SDR_INCLUDE_DIR to `C:/MSVCDev/SoapySDR/include`
-* Set SOAPY_SDR_LIBRARY to `C:/MSVCDev/SoapySDR_win64/lib/Release/SoapySDR.lib`
 * Click "Configure" again and then click "Generate"
 
 Open "Developer Command Prompt for VS2017" by right-clicking and "Run as Administrator".