Cisco just released Packet Tracer 7.2.1 on Netacad website. This is a maintenance release correcting various issues of Packet Tracer 7.2. Netacad login at each Packet Tracer launch is no longer required !!.
Do NOT download Packet Tracer 7.2.1 from unofficial repositories which could expose your computer to viruses.
Download links from Netacad and MD5/SHA checksums provided on https://www.packettracernetwork.com/download/download-packet-tracer.html
