IE的HSTS移除步驟在這裡
Clearing HSTS in Internet Explorer

To open Registry Editor on your PC, open Run box and type “regedit” and hit Enter.
Now, browse the following registry subkey:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl
Now, on Edit menu, browse to New and click on Key. Type FEATURE_DISABLE_HSTS and press Enter.
Click on FEATURE_DISABLE_HSTS.
Again, on Edit menu, click on New and click on DWORD value.
Type iexplore.exe.
Browse Edit menu and click Modify. In the Value data box, type 1 and click Ok to save the changes.
Browse the following registry subkey:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Main\FeatureControl
On Edit menu, click on New and click Key.
You need to type FEATURE_DISABLE_HSTS and hit Enter.
Click on FEATURE_DISABLE_HSTS.
On Edit menu, browse New and click on DWORD value then, Type iexplore.exe.
Again, Click on Edit menu and click Modify.
You need to enter value in Value data box, type 1 and hit Ok.
Finally, exit from Registry Editor.
Note: Values for the iexplore.exe subkey are 0 and 1. A value of 1 inactivates the feature, and 0 activates the feature.