You can save it to your mobile phone first, then to a USB flash drive with OTG socket, and then copy it to your computer.

First, save to your phone:

1. Open WeChat-Me-Album-Click on the picture you want to download-Click on the three numbers in the upper right corner-and save it to your mobile phone;

2. If you want to save the photos in someone else's WeChat. Go to your friend's photo album and click on the photo-click on the three vertical dots-and save it to your mobile phone.

Second, OTG:

OTG is a data exchange technology released by USB implementer forum on February 8, 2006. It is mainly used to connect different devices or mobile devices, mainly PDA, mobile phone and consumer devices.

After inserting the USB flash drive with OTG socket into the mobile phone, just like the memory card of the mobile phone, copy and paste it.

Third, from the USB flash drive to the computer:

Copy the files in the selected USB flash drive and paste them into a new folder on your computer.