This method is actually very simple, ie browser has the function of memory preservation, if you want to set the zoom ratio to 125%, you can first all of the IE window closed, and then reopen an IE browser window and set to 125%, and then the IE window closed, you open IE browser to try, IE is not already default to 125% of the shrink amplification small.
If you go through the above operation, the problem still exists, please reset IE and do a clean boot operation, to eliminate the IE settings and other software interference.
For specific steps to reset ie, you can view the following links:
For a clean boot operation, check the links below.
If the problem persists after the above operation, it is likely that the permissions on the relevant registry key have been modified to prevent the settings from being saved.
Create a new user account with administrator privileges to confirm that it is normal in the new account.