I just finished doing this for all my old family VHS videos. you need OBS Software. it's free and it works great. I purchased the Video Maker USB to RCA cable off amazon for under $20 to go with it and it also works great. All I did was watch one or two YouTube videos on how to set up OBS and use it. it's extremely simple. The only thing that sucks is you need to watch the VHS stream as it's screen recording/importing. you need to monitor it to stop the recording once the VHS ends. or you can set a timer to auto stop the recording. once you save it as an mp4, you can edit the video length directly in the native Mac app. I used this to crop the beginning and ends of the videos once they ended and hit snow or a black screen. also, make sure you disable mic recording while you're using it. you wanna record audio from the source, not the background mic.
please make sure you test the old VCR first before using it and potentially ruining an old family video. the used GOVIDEO VCR I bought started eating tapes after like my 3rd one. I had to take it apart and re-glue a broken gear and relube everything. luckily I was able to scotch tape the tape back together. finding a working 8mm video cassette player was also expensive and hard to find. 2/3's of our videos were on 8mm once we hit the 90's.
OBS (Open Broadcaster Software) is free and open source software for video recording and live streaming. Stream to Twitch, YouTube and many other providers or record your own videos with high quality H264 / AAC encoding.
obsproject.com