Download IEDigest from https://aka.ms/iedigest and extract
iedigest.exefrom the zip file.
Download and unzip Process Monitor from https://learn.microsoft.com/en-us/sysinternals/downloads/procmon.
Download Fiddler from https://www.telerik.com/download/fiddler and install it.
Open Fiddler and go to Tools -> Options -> HTTPS tab. Enable Decrypt HTTPS traffic. You will be prompted to install the Fiddler Root certificate (this step requires elevated permission).
edge://settings/systemin Edge and disable Startup boost.
If the setting is greyed out, please download registry key file at: https://joji.blob.core.windows.net/recipe/disable-edge-startup-boost.reg and import it (this requires administrator permission).