Update README.md

README.md

@@ -46,6 +46,11 @@ Package is available on PyPI, can be installed with:
 pip install hpfrec
 ```
 
+**Note: at the moment, the latest versions will not compile under Visual Studio in Windows, but you can nevertheless install an older version like this:**
+```
+pip install hpfrec==0.2.2.5
+```
+
 As it contains Cython code, it requires a C compiler. In Windows, this usually means it requires a Visual Studio installation (or MinGW + GCC), and if using Anaconda, might also require configuring it to use said Visual Studio instead of MinGW, otherwise the installation from `pip` might fail. For more details see this guide:
 [Cython Extensions On Windows](https://github.com/cython/cython/wiki/CythonExtensionsOnWindows)