Keysight allows you to "rent" licenses by the hour via their cloud portal. You can request a 30-day evaluation of ADS 2020 (if still available in their archives) by contacting a sales representative. Be honest: "I am a freelance engineer evaluating a potential tool purchase." They often grant the evaluation without a hard credit card.
RF design is sensitive to floating-point errors. The official ADS 2020 had two service packs (Update 1 and Update 2) that fixed critical bugs in the harmonic balance simulator. A pirated version cannot install these updates, meaning your simulations may be mathematically inaccurate. Keysight Advanced Design System -ADS- 2020 Free Download
Cracked EDA software is a favorite vector for ransomware and keyloggers. Because ADS runs at the kernel level to simulate complex physics, a cracked .exe can easily disable your antivirus and encrypt your hard drive. Files labeled "Keysight.ADS.2020.Crack.zip" have a high probability of containing malware. Keysight allows you to "rent" licenses by the
You cannot get a safe, permanent, free copy of ADS 2020. Attempting to do so exposes your computer to malware, exposes your projects to simulation errors, and exposes you to legal risk. RF design is sensitive to floating-point errors