Remove Windows 10 Test Mode

Step 1. Open Command Promt as an Administrator

Step 2. Type in the following command and hit Enter

bcdedit.exe -set loadoptions ENABLE_INTEGRITY_CHECKS

Step 3. Enter the command below and press Enter

bcdedit.exe -set TESTSIGNING OFF

Step 4. Close the Command Prompt window

Step 5. Reboot your computer to make changes take effect