Many "patch" files for software or research tools are shared in dedicated community channels. Check the "Pinned Messages" in the group where the project was discussed.
To successfully locate part03.rar , you should look where you found the first two parts: Download Patch part03 rar
Do you have a or the specific name of the software this patch is for? I can help you look for alternative mirrors if I have more context. Many "patch" files for software or research tools
Multi-part RAR archives must be downloaded from the same source to ensure they match. Check the description box of the video or the bottom of the blog post where you found part01 and part02 . Download Patch part03 rar