Merge pull request #184 from microsoft/master

merge master

README.md

@@ -67,10 +67,10 @@ The tool dispatches and runs trial jobs generated by tuning algorithms to search
           <li><a href="docs/en_US/BuiltinTuner.md#MetisTuner">Metis Tuner</a></li>
           <li><a href="docs/en_US/BuiltinTuner.md#BOHB">BOHB</a></li>
         </ul>
-          <a href="docs/en_US/BuiltinAssessors.md">Assessor</a> 
+          <a href="docs/en_US/BuiltinAssessor.md">Assessor</a>
         <ul>
-          <li><a href="docs/en_US/BuiltinAssessors.md#Medianstop">Median Stop</a></li>
-          <li><a href="docs/en_US/BuiltinAssessors.md#Curvefitting">Curve Fitting</a></li>
+          <li><a href="docs/en_US/BuiltinAssessor.md#Medianstop">Median Stop</a></li>
+          <li><a href="docs/en_US/BuiltinAssessor.md#Curvefitting">Curve Fitting</a></li>
         </ul>
       </td>
       <td>
@@ -118,12 +118,6 @@ python3 -m pip install --upgrade nni
 
 Windows
 
-**IMPORTANT** Make sure `ExecutionPolicy` has been set to `Unrestricted` before installation. To set the policy, **run PowerShell as administrator** with the following command:
-
-```bash
-Set-ExecutionPolicy -ExecutionPolicy Unrestricted
-```
-Once ExecutionPolicy is unrestricted, run the following command to install NNI:
 ```bash
 python -m pip install --upgrade nni
 ```
@@ -155,7 +149,7 @@ Windows
 ```bash
   git clone -b v0.8 https://github.com/Microsoft/nni.git
   cd nni
-  powershell .\install.ps1
+  powershell -ExecutionPolicy Bypass -file install.ps1
 ```
 
 For the system requirements of NNI, please refer to [Install NNI](docs/en_US/Installation.md)