While no new features (like a hypothetical 4.9) are planned, Microsoft continues to provide monthly security and reliability patches for version 4.8.1 as part of its Windows support policy.
For system administrators, here is a checklist: net framework 49 offline installer for windows
: Follow the prompts, accept the Microsoft Software License Terms, and click While no new features (like a hypothetical 4
You can see what you already have installed without downloading anything: accept the Microsoft Software License Terms