Merge pull request #123 from botanicvelious/patch-2

add notice about powershell

content/dev/build/windows/_index.en.md

@@ -3,6 +3,10 @@ title: Windows
 weight: 20
 ---
 
+{{% notice note %}}
+The command line commands here must be run in git-bash not command prompt or you will get syntax errors.
+{{% /notice %}}
+
 ## Dependencies
 
 ### C++ build environment
@@ -51,6 +55,7 @@ You can download 15.02 of the LLVM binaries here: [64-bit](https://github.com/ll
 git clone https://github.com/rustdesk/rustdesk
 cd rustdesk
 mkdir -p target/debug
+Invoke-WebRequest -URI https://raw.githubusercontent.com/c-smile/sciter-sdk/master/bin.win/x64/sciter.dll -OutFile ./sciter.dll
 mv sciter.dll target/debug
 cargo run
 ```