How to check MD5sum on Windows
Knowledge Base - How To
Move to directory containing the file to check and run
PS D:> certutil.exe -hashfile .\backup_20210512T010002.tgz MD5
The output will look like
MD5 hash of file .\backup_20210512T010002.tgz: e6 6c d4 79 ed f1 bc 3b 43 8e 00 df 8d ff ec 9b