diff --git a/lib/menu.ts b/lib/menu.ts
index 9027a7a..444b1cc 100644
--- a/lib/menu.ts
+++ b/lib/menu.ts
@@ -5,7 +5,8 @@ import { sendNotification } from '@tauri-apps/plugin-notification'
 import { revealItemInDir } from '@tauri-apps/plugin-opener'
 import { exit } from '@tauri-apps/plugin-process'
 import { isDirectoryEmpty } from './fs'
-import { deleteRemote, mountRemote, unmountRemote } from './rclone'
+import { deleteRemote, mountRemote, unmountRemote } from './rclone/api'
+import { dialogGetMountPlugin, needsMountPlugin } from './rclone/mount'
 import { usePersistedStore, useStore } from './store'
 import { getLoadingTray, getMainTray, rebuildTrayMenu } from './tray'
 import { lockWindows, openFullWindow, openTrayWindow, openWindow, unlockWindows } from './window'
@@ -87,6 +88,16 @@ export async function buildMenu() {
 
                     await getLoadingTray().then((t) => t?.setVisible(true))
 
+                    const needsPlugin = await needsMountPlugin()
+                    if (needsPlugin) {
+                        console.log('Mount plugin not installed')
+                        await dialogGetMountPlugin()
+                        await getLoadingTray().then((t) => t?.setVisible(false))
+                        await getMainTray().then((t) => t?.setVisible(true))
+                        return
+                    }
+                    console.log('Mount plugin installed')
+
                     try {
                         await lockWindows()
 
diff --git a/lib/rclone/mount.ts b/lib/rclone/mount.ts
new file mode 100644
index 0000000..0277fb7
--- /dev/null
+++ b/lib/rclone/mount.ts
@@ -0,0 +1,74 @@
+import { downloadDir } from '@tauri-apps/api/path'
+import { confirm } from '@tauri-apps/plugin-dialog'
+import { exists, writeFile } from '@tauri-apps/plugin-fs'
+import { fetch } from '@tauri-apps/plugin-http'
+import { revealItemInDir } from '@tauri-apps/plugin-opener'
+import { platform } from '@tauri-apps/plugin-os'
+import { exit } from '@tauri-apps/plugin-process'
+
+export async function needsMountPlugin() {
+    const currentPlatform = platform()
+    if (currentPlatform === 'macos') {
+        // check fuse-t or osxfuse
+        const hasFuseT = await exists('/Library/Application Support/fuse-t')
+        console.log('hasFuseT', hasFuseT)
+        const hasOsxFuse = await exists('/Library/Filesystems/macfuse.fs')
+        console.log('hasOsxFuse', hasOsxFuse)
+        return !hasFuseT && !hasOsxFuse
+    }
+    if (currentPlatform === 'windows') {
+        // check winfsp
+        const hasWinFsp =
+            (await exists('C:\\Program Files\\WinFsp')) ||
+            (await exists('C:\\Program Files (x86)\\WinFsp'))
+        console.log('hasWinFsp', hasWinFsp)
+        return !hasWinFsp
+    }
+    return false
+}
+
+export async function dialogGetMountPlugin() {
+    const currentPlatform = platform()
+    if (currentPlatform === 'macos') {
+        // download fuse-t or osxfuse
+        const wantsDownload = await confirm(
+            "Fuse-t is required on macOS to mount remotes. You can open rclone UI again once you're done with the installation.",
+            {
+                title: 'Mount plugin not installed',
+                kind: 'warning',
+                okLabel: 'Download',
+                cancelLabel: 'Cancel',
+            }
+        )
+        if (wantsDownload) {
+            const fuseInstallerUrl =
+                'https://github.com/macos-fuse-t/fuse-t/releases/download/1.0.44/fuse-t-macos-installer-1.0.44.pkg'
+            const localPath = `${await downloadDir()}/fuse-t-installer.pkg`
+            const installer = await (await fetch(fuseInstallerUrl)).arrayBuffer()
+            await writeFile(localPath, new Uint8Array(installer))
+            await revealItemInDir(localPath)
+            return await exit(0)
+        }
+    }
+    if (currentPlatform === 'windows') {
+        // download winfsp
+        const wantsDownload = await confirm(
+            "WinFsp is required on Windows to mount remotes. You can open rclone UI again once you're done with the installation.",
+            {
+                title: 'Mount plugin not installed',
+                kind: 'warning',
+                okLabel: 'Download',
+                cancelLabel: 'Cancel',
+            }
+        )
+        if (wantsDownload) {
+            const winFspInstallerUrl =
+                'https://github.com/winfsp/winfsp/releases/download/v2.0/winfsp-2.0.23075.msi'
+            const localPath = `${await downloadDir()}/winfsp-installer.msi`
+            const installer = await (await fetch(winFspInstallerUrl)).arrayBuffer()
+            await writeFile(localPath, new Uint8Array(installer))
+            await revealItemInDir(localPath)
+            return await exit(0)
+        }
+    }
+}