There are many ways to manage your Internet Explorer passwords. The tricks below should also work for newer Windows versions as well.
Open regedit and browse to
Computer\HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\IntelliForms\SPW. You will see a list of encrypted password entries in the right column. Click on File -> Export to save the contents to a .reg file. Proceed to import this on your new PC.
Control Panel and go to
User Accounts ->
Your IE saved passwords will be available in the
Web Credentials tab.
Open the Run prompt by pressing [WIN]+[R] buttons, type
credwiz.exe and press the ENTER key.
Follow the instructions in the wizard.
Download IEPassView from http://www.nirsoft.net/utils/internet_explorer_password.html and follow the instructions. This will also decrypt and show you the passwords in clear text.
IEPassView can also decrypt the passwords from an externally mounted harddrive.
Please also consider migrating to a dedicated password manager like KeePassXC
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