diff --git a/src/xrayphysics.py b/src/xrayphysics.py
index c080cfc..8fcfa32 100644
--- a/src/xrayphysics.py
+++ b/src/xrayphysics.py
@@ -14,6 +14,68 @@ def __init__(self, lib_dir=""):
         else:
             current_dir = os.path.abspath(os.path.dirname(__file__))
 
+        #'''
+        if _platform == "linux" or _platform == "linux2":
+            import readline
+            from ctypes import cdll
+            
+            fullPath = os.path.join(current_dir, 'libxrayphysics.so')
+            fullPath_backup = os.path.join(current_dir, '../build/lib/libxrayphysics.so')
+            
+            if os.path.isfile(fullPath):
+                self.libxrayphysics = cdll.LoadLibrary(fullPath)
+            elif os.path.isfile(fullPath_backup):
+                self.libxrayphysics = cdll.LoadLibrary(fullPath_backup)
+            else:
+                print('Error: could not find LEAP dynamic library at')
+                print(fullPath)
+                print('or')
+                print(fullPath_backup)
+                self.libxrayphysics = None
+            
+        elif _platform == "win32":
+            from ctypes import windll
+        
+            fullPath = os.path.join(current_dir, 'libxrayphysics.dll')
+            fullPath_backup = os.path.join(current_dir, r'..\win_build\bin\Release\libxrayphysics.dll')
+        
+            if os.path.isfile(fullPath):
+                try:
+                    self.libxrayphysics = windll.LoadLibrary(fullPath)
+                except:
+                    self.libxrayphysics = ctypes.CDLL(fullPath, winmode=0)
+            elif os.path.isfile(fullPath_backup):
+                try:
+                    self.libxrayphysics = windll.LoadLibrary(fullPath_backup)
+                except:
+                    self.libxrayphysics = ctypes.CDLL(fullPath_backup, winmode=0)
+            else:
+                print('Error: could not find LEAP dynamic library at')
+                print(fullPath)
+                print('or')
+                print(fullPath_backup)
+                self.libxrayphysics = None
+        
+        elif _platform == "darwin":  # Darwin is the name for MacOS in Python's platform module
+            # there is current no support for LEAP on Mac, but maybe someone can figure this out
+            from ctypes import cdll
+            
+            fullPath = os.path.join(current_dir, 'libxrayphysics.dylib')
+            fullPath_backup = os.path.join(current_dir, '../build/lib/libxrayphysics.dylib')
+            
+            if os.path.isfile(fullPath):
+                self.libxrayphysics = cdll.LoadLibrary(fullPath)
+            elif os.path.isfile(fullPath_backup):
+                self.libxrayphysics = cdll.LoadLibrary(fullPath_backup)
+            else:
+                print('Error: could not find LEAP dynamic library at')
+                print(fullPath)
+                print('or')
+                print(fullPath_backup)
+                self.libxrayphysics = None
+        #'''
+
+        '''
         if _platform == "linux" or _platform == "linux2":
             import readline
             from ctypes import cdll
@@ -25,6 +87,7 @@ def __init__(self, lib_dir=""):
             from ctypes import cdll
             # Adjust the path to where your .dylib file is located
             self.libxrayphysics = cdll.LoadLibrary(os.path.join(current_dir, "../build/lib/libxrayphysics.dylib"))
+        #'''
             
         self.detectorBits = 16
         self.length_units = 'cm'