We need to collect some basic info to analyze and find the reason behind the crashes. So please follow the below steps.
Upload the crash dumps for analysis
Open C:\Windows\Minidump folder. Copy and zip the entire contents of that folder and upload to any free file hosting site of your choice. You may have to disable Use Account Control to copy them.
Example file hosting sites :
Post the download link to the dumps in next reply.
A Speccy report about your system
Generate a report about your system using Speccy by reading the guide below. Make sure to run the Speccy after running the system about one or more hour. This will give us an indication of current CPU -GPU temperature status.
Post the web link displayed by Speccy in next reply.
A Minitoolbox log
Download Minitoolbox from the below link.
Run the tool and only select the following tick boxes.
-List last 10 Event viewer errors
-List installed programs
-List users, partition and memory size
Now click "Go" and post the output in next reply (or upload the result.txt with dump files)