Curl:
curl https://regscaleblob.blob.core.windows.net/profiles/800-53-rev5-low.json --output 800-53-rev5-low.json
PowerShell:
Invoke-WebRequest -Uri "https://regscaleblob.blob.core.windows.net/profiles/800-53-rev5-low.json" -OutFile "NIST 800-53 Rev 5 - LOW.json"
View Raw JSON in Browser