Sign in with Microsoft
Sign in or create an account.
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.

If the progress of Windows Upgrade Assistant is stuck at 99% for more than four hours, here's something you can try. Note: Make sure you follow these steps before you restart your PC. Otherwise, the Media folder might be unavailable.

  1. Open File Explorer, type C:\$GetCurrent, and then press Enter.

  2. Copy and paste the Media folder to the desktop. If you don't see the folder, select View and make sure the check box next to Hidden items is selected.

  3. Restart your PC, open File Explorer, type C:\$GetCurrent in the address bar, and then press Enter.

  4. Copy and paste the Media folder from the desktop to C:\$GetCurrent.

  5. Open the Media folder and double-click Setup.

  6. Follow the instructions to start the upgrade. On the Get important updates screen, select Not right now, and then select Next.

  7. Follow the instructions to finish upgrading to Windows 10. After you're done, make sure to install available updates. Select the Start  button, and then select Settings  > Update & Security  > Windows Update > Check for updates.

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Was this information helpful?

What affected your experience?
By pressing submit, your feedback will be used to improve Microsoft products and services. Your IT admin will be able to collect this data. Privacy Statement.

Thank you for your feedback!