Older versions of Adblock Plus supported Internet Explorer. These may still work but are no longer updated.
Attempting to find "free" ad blockers for IE on Windows 7 often leads users to download software from unverified repositories. This is a primary vector for "Potentially Unwanted Programs" (PUPs). Many "IE Ad Blockers" found on download sites are actually malware or spyware wrappers. adblock internet explorer windows 7
If you must use Windows 7 + Internet Explorer, use together for better coverage. But the best long-term solution is to upgrade your OS or at least install Firefox ESR (still supports Win7 as of 2025) with uBlock Origin. Older versions of Adblock Plus supported Internet Explorer