if (process.platform === 'win32') {
      getWindowsDrives((error, drives) => {
        if (!error) {
          this.drives = drives
          // work through the drives backwards
          for (let index = this.drives.length - 1; index >= 0; --index) {
            try {
              const stat = fs.statSync(this.drives[index] + path.sep)
              let fileInfo = {}
              fileInfo.rootDir = this.drives[index]
              fileInfo.fileName = path.sep
              fileInfo.isDir = stat.isDirectory()
              fileInfo.stat = stat
              let node = this.createNode(fileInfo)
              this.rootDir.unshift(node)
            }
            catch (error) {
              // remove from (bad/phantom) drive list
              this.drives.splice(index, 1)
              console.error(error)
            }
          }
        }
      })
    }
    else {
      // set and get root folder's folders
      this.setSelectedFolder(this.drive + path.sep)
      this.rootDir.push(...this.getFolders(this.selectedFolder))
    }