Set up a server (AWS, etc.) and install:
https://github.com/iquidus/explorerThen point your sub-domain to the server running Iquidus.
There are other open-source block explorers but Iquidus is popular and easy to set up and customize.
so many thanks i tried many times finally install it and working (not 100% ) thank you
but have a problem how to integrate it with my altcoin algo x13
file : settings.json
// ensure links on API page are valid
"api": {
"blockindex": 1337,
"blockhash": "1733320247b15ca2262be646397d1ffd6be953fa638ebb8f5dcbb4c2b91b34f1",
"txhash": "f270cd3813254c9922a2e222a56ba745842d9112223a1394062e460b33d27b7e",
"address": "RBiXWscC63Jdn1GfDtRj8hgv4Q6Zppvpwb"
},