Step 3: In the root folder of ISO/DVD/USB, you will see the Setup (.exe) file. If you have the bootable USB or bootable DVD of Windows 10, connect them to your PC, right-click on the USB drive in This PC, and then click Open in new window option to open the bootable USB or DVD. Right-click on the new drive in This PC and then click Open in new window option to open it.

Step 2: Navigate to the folder containing the Windows 10 ISO image, right-click on the ISO and then click Mount option to mount the ISO image. It’s important to note that the ISO or bootable media must be the same version of Windows 10 that you currently installed on your PC. Remember that you don’t need to download the Windows 10 ISO if you have a bootable DVD or bootable USB of Windows 10. You can refer to our download Windows 10 from Microsoft guide for step-by-step directions. Else, download the latest version of Windows 10 from Microsoft using Windows 10 Media Creation Tool. Step 1: Skip this step if you have the ISO image or bootable media of Windows 10. However, we recommend you back up all data to a safe place just in case if something goes terribly wrong during the repair. IMPORTANT: As pointed out, this method will preserve your apps and data. Repair Windows 10 installation without losing data and apps

Besides, it will not affect your Windows 10 activation in any way. No, you will not lose data or installed apps if you repair the Windows 10 installation if you follow all steps without any deviations. Will I lose programs and data if I repair Windows 10?

Bootable registry repair vista