A mixed bag. 32-bit IE11 had Protected Mode (sandboxing) and SmartScreen filter (anti-phishing), which were excellent. But ActiveX was a gaping wound—malicious controls could take over your PC. Today, running IE11 exposes you to known, unpatched vulnerabilities (CVE-2021-26411, etc.). Microsoft has ended support on most Windows versions. The 32-bit Architecture Quirk Running 32-bit IE11 on 64-bit Windows is interesting. It lives in C:\Program Files (x86)\Internet Explorer\ . It can only address 4GB of RAM total—but since IE11 tabs share processes (not one per tab), a single misbehaving page could crash the whole browser. The 64-bit version handled larger pages (e.g., complex Excel Web App sheets) better, but plugin compatibility was terrible.
4/10 – Only useful if you have no alternative. For everyone else, use Firefox, Chrome, or Edge (which includes an “IE mode” for those legacy sites anyway, without the security risks). The 32-bit IE11 belongs in a museum—or a virtual machine. internet explorer 11 32 bit
❌ Anyone who uses the web for banking, social media, shopping, or streaming. ❌ Privacy-conscious users. ❌ Anyone with a modern (64-bit) system and a choice. A mixed bag
Released in October 2013 as the final version of Internet Explorer, IE11 (particularly the 32-bit edition) represents both the peak of Microsoft’s original browser engine and the end of an era. While Microsoft Edge has long since taken over, IE11 remains a critical piece of software history—and for a niche set of users, a necessary tool. This review evaluates the 32-bit version in its historical context and its current practical use. Today, running IE11 exposes you to known, unpatched