diff --git a/Installation.md b/Installation.md
index fd41b96..ad4aa11 100644
--- a/Installation.md
+++ b/Installation.md
@@ -3,8 +3,7 @@ Iris is a cross-platform software.
 The only requirement is the [Go Programming Language](https://golang.org/dl/), version 1.13 and above.
 
 ```sh
-$ cd $YOUR_PROJECT_PATH
-$ export GO111MODULE=on
+$ go env -w GO111MODULE=on
 ```
 
 ## Install
@@ -21,7 +20,7 @@ module your_project_name
 go 1.13
 
 require (
-    github.com/kataras/iris/v12 v12.1.3
+    github.com/kataras/iris/v12 v12.1.5
 )
 ```
 
@@ -37,6 +36,10 @@ $ go get -u github.com/kataras/iris/v12@master
 
 ## Troubleshooting
 
-If you get a network error during installation please make sure you set a valid [GOPROXY environment variable](https://github.com/golang/go/wiki/Modules#are-there-always-on-module-repositories-and-enterprise-proxies) e.g. `GOPROXY=https://goproxy.cn` or `GOPROXY=https://gocenter.io` or `GOPROXY=https://goproxy.io`.
+If you get a network error during installation please make sure you set a valid [GOPROXY environment variable](https://github.com/golang/go/wiki/Modules#are-there-always-on-module-repositories-and-enterprise-proxies).
+
+```sh
+go env -w GOPROXY=https://goproxy.cn,https://gocenter.io,https://goproxy.io,direct
+```
 
 Continue by reading our [[Getting Started]] tutorial.