Windows needs the file to exist before moving across

src/engines/boa.js

@@ -2,7 +2,7 @@ const Installer = require('../installer');
 const assert = require('assert');''
 const execa = require('execa');''
 const { platform } = require('../common');
-const { copyFileSync, chmodSync } = require('fs');
+const { copyFileSync, chmodSync, existsSync, mkdirSync } = require('fs');
 const { join } = require('path');
 
 function getFilename() {
@@ -41,6 +41,10 @@ class BoaInstaller extends Installer {
         // The file is not zipped so we don't need to do any extraction here, instead just moving it to the extractedPath
         // The file doesn't seem to be executable so we need to set it manually
         chmodSync(this.downloadPath, '755');
+        // Windows will fail if the extractedPath doesn't exist
+        if (!existsSync(this.extractedPath)){
+            mkdirSync(this.extractedPath);
+        }
         return copyFileSync(this.downloadPath, join(this.extractedPath, 'boa'));
     }