Developer guide: Update wrt. Windows (#28559)

* Developer guide: Update wrt. Windows

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* Update contribute/developer-guide.md

Co-authored-by: Agnès Toulet <35176601+AgnesToulet@users.noreply.github.com>

* Update contribute/developer-guide.md

Co-authored-by: Agnès Toulet <35176601+AgnesToulet@users.noreply.github.com>

Co-authored-by: Agnès Toulet <35176601+AgnesToulet@users.noreply.github.com>

contribute/developer-guide.md

@@ -76,7 +76,10 @@ When you log in for the first time, Grafana asks you to change your password.
 
 #### Building on Windows
 
-The Grafana backend includes Sqlite3 which requires GCC to compile. So in order to compile Grafana on Windows you need to install GCC. We recommend [TDM-GCC](http://tdm-gcc.tdragon.net/download).
+The Grafana backend includes SQLite which requires GCC to compile. So in order to compile Grafana on Windows you need to install GCC. We recommend [TDM-GCC](http://tdm-gcc.tdragon.net/download). Eventually, if you use [Scoop](https://scoop.sh), you can install GCC through that.
+
+You can simply build the back-end as follows: `go run build.go build`. The Grafana binaries will be in bin\\windows-amd64.
+Alternately, if you wish to use the `make` command, install [Make for Windows](http://gnuwin32.sourceforge.net/packages/make.htm) and use it in a Unix shell (f.ex. Git Bash). 
 
 ## Test Grafana
 
@@ -98,6 +101,13 @@ If you're developing for the backend, run the tests with the standard Go tool:
 go test -v ./pkg/...
 ```
 
+#### On Windows
+Running the backend tests on Windows currently needs some tweaking, so use the build.go script:
+
+```
+go run build.go test
+```
+
 ### Run end-to-end tests
 
 The end to end tests in Grafana use [Cypress](https://www.cypress.io/) to run automated scripts in a headless Chromium browser. Read more about our [e2e framework](/contribute/style-guides/e2e.md).