If "WPE" refers to a custom WinPE environment, it could be used legitimately for recovery or illegitimately to bypass passwords or access data without authorization. Ensure you have permission to use such tools on any computer. Recommended Alternatives (Safe & Legal) Instead of using an untrusted custom ISO, consider these options:
Before installing make sure to follow these steps given below
Make sure you have backed up your device using iCloud or iTunes on your PC or Mac. Otherwise, you may lose your data.
You can connect your device using a Lightning or USB-C cable to your PC or Mac.
On your device, go to Settings - [your name] Find My - Find My iPhone/iPad, then turn off the Find My iPhone/iPad.
In iTunes or Finder (Mac), hold down the Shift key (or the Options key on a Mac) and click on Restore iPhone... button.
After iTunes has installed the .ipsw file on your device, follow the on-screen instructions to restore your data.