add instruction to switch to cmd prompt

docs/day0.md

@@ -36,24 +36,38 @@ Your most important tool as a programmer is a proper editor. It should offer you
 
 1. Head to <https://code.visualstudio.com/>
 
-2. Click on the download link
+1. Click on the download link
 
     ![vscode_download](img/day0/code_download.png)
 
-3. Run through the installer, select default options
+1. Run through the installer, select default options
 
-4. Open VSCode
+1. Open VSCode
 
     ![vscode_open](img/day0/vscode_open.png)
 
-5. Uncheck "Show welcome page on startup"
+1. Uncheck "Show welcome page on startup"
 
     ![vscode_uncheck](img/day0/vscode_uncheck.gif)
 
-6. Close out of the welcome page
+1. Close out of the welcome page
 
     ![close_welcome](img/day0/close_welcome.gif)
 
+1. Open the terinal with <kbd>ctrl</kbd>+<kbd>~</kbd>
+
+1. Click the dropdown that says `1: powershell` and click `Select Default Shell`
+
+    ![select_default_shell_windows](img/day0/select_default_shell_windows.png)
+
+1. Select Command Prompt
+
+    ![select_cmd_prompt](img/day0/select_cmd_prompt.png)
+
+1. Kill the terminal by clicking the trash can icon
+
+    ![kill_terminal](img/day0/kill_terminal.png)
+
 ### Create a "Projects" folder
 
 I keep all my projects in a folder called "Projects" in my home directory. On Windows this is at `C:\Users\username\Projects`. Create this folder now. Bookmark it, put it in your favorites, don't lose it.