holy shit I think I got it working on windows

init.lua

@@ -356,6 +356,5 @@ vim.opt.smartindent = true
 -- this is transparent background
 vim.api.nvim_set_hl(0, 'Normal', { bg = 'none' })
 vim.api.nvim_set_hl(0, 'NormalFloat', { bg = 'none' })
-
 -- The line beneath this is called `modeline`. See `:help modeline`
 -- vim: ts=2 sts=2 sw=2 et

lua/custom/plugins/oil.lua

@@ -24,8 +24,16 @@ return {
     ['g.'] = 'actions.toggle_hidden',
     ['g\\'] = 'actions.toggle_trash',
   },
+  keys = {
+    {
+      '-',
+      '<CMD>Oil<CR>',
+      desc = 'Open parent directory',
+      mode = { 'n' }
+    }
+  },
   use_default_keymaps = false,
   -- Optional dependencies
-  dependencies = { 'echasnovski/mini.icons' },
-  -- dependencies = { "nvim-tree/nvim-web-devicons" }, -- use if prefer nvim-web-devicons
+  -- dependencies = { 'echasnovski/mini.icons' },
+  dependencies = { 'nvim-tree/nvim-web-devicons' }, -- use if prefer nvim-web-devicons
 }