DSO-3064A 2.0.12 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among DSO-3064A users are 2.0 and 1.0.
DSO-3064A lies within System Utilities, more precisely Device Assistants. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The actual developer of the free program is hantek.
From the developer:
DSO3064 Kit IIIis a 4-channel PC-based digital oscilloscope. It features 10K-16M Memory Depth, Frenquency Counter, FFT, USB 2.0 interface plug and play; and optional LAN. This program lets you view the waveforms captured in realtime from DSO3064. You can easily change the time/division, voltage/division, trigger mode, probe settings, etc. You can also record and save the waveform data using this application.
You may want to check out more software, such as EOS Utility, iPHUC for Windows or SoftX Internet Logger, which might be related to DSO-3064A.