Document testing instructions for Windows (#1083)

release/RELEASE.md

@@ -10,12 +10,34 @@
 1. Activate the new version with `da use VERSION`. Note that it will
    not be picked up by `da upgrade` at this point.
 1. Run through the manual test plan described in https://docs.google.com/document/d/16amcy7bQodXSHjEmKhAUiaPf6O92gUbch1OyixDEvSM/edit?ts=5ca5be00.
+
+   The test plan currently still targets the old `da` assistant. We
+   will migrate the test plan fully to the new assistant soon but for
+   now, there is a shorter test plan for the new assistant that
+   you should run on Windows:
+
+   1. Download the installer from https://github.com/digital-asset/daml/releases
+   1. Remove any existing installation: `rm -r -Force $env:AppData\daml`
+   1. Run the installer.
+   1. Open a new Powershell.
+   1. Run `daml new quickstart` to create a new project.
+   1. Switch to the new project: `cd quickstart`
+   1. Run `daml start`.
+   1. Open your browser at `http://localhost:7500`, verify that you
+      can login as Alice and there is one template and one contract.
+   1. Kill `daml start` with Ctrl-C
+   1. Run `daml studio` and open `daml/Main.daml`.
+   1. Verify that the scenario result appears within 30 seconds.
+   1. Add `+` at the end of line 26 after `"Alice"` and verify that you get a red squiggly line.
+
 1. If it passes, the release should be made public. This currently
    consists of three steps:
 
    1. Tag the release as `visible-external` on Bintray. This step can
       only be done by someone with permissions to set tags on Bintray.
-      After this step the release will be picked up by `da upgrade`.
+      After this step the release will be picked up by `da
+      upgrade`. Note that this step requires special privileges on
+      Bintray. If you cannot change it yourself, ask in #team-daml.
 
    1. Trigger the CircleCI jobs to create the Docker images. To do so,
       go to