Tor Browser 4.5 series was a significant release from April 2015 that introduced several core privacy and usability features still central to the browser today. Tor Project Key Features of Version 4.5: Security Slider
Using Tor Browser 4.5 today carries significant security risks. It lacks patches for dozens of critical vulnerabilities, including Meltdown/Spectre mitigations and newer TLS exploits. Do not log into personal accounts or share sensitive data while using this version. Anonymous TOR BROWSER 4.5 Download
A: No. Tor is legal in most countries. However, using outdated software to bypass censorship may violate local IT policies. Always comply with your local laws. Tor Browser 4