Windows 10 Build 15035 Media Builder Install -

Step 1: Unlock bootloader (requires JTAG or hacked Secure Boot – this is the hardest part). Step 2: Boot into mass storage mode using WPInternals tool. Step 3: Flash the FFU using thor2:

thor2 -mode uefiflash -ffufile "15035.ffu" -backup_data_partition

Step 4: After flashing, device reboots into Windows 10 Mobile bootloader, then loads the OS. windows 10 build 15035 media builder install

First boot takes ~10–15 minutes due to system preparation. Step 1: Unlock bootloader (requires JTAG or hacked

Author: [Your Name] Date: April 12, 2026 Version: 1.0 Step 4: After flashing, device reboots into Windows

Procedure:

Click Generate.

Wait 10–20 minutes (tool downloads required components from Microsoft CDN if missing).

Output saved to: C:\Users\Public\Downloads\Windows10_15035.iso

When installing this specific build via media, users encounter the following known issues (as documented by Microsoft at the time of release):