you need create
.htac­cess
.users

.htac­cess
AuthType Basic
Auth­Name “Pass­word Pro­tect­ed Area”
AuthUser­File /path/to/.users
Require valid-user

.users
test:dGRkPurkuWmW2
dGRkPurkuWmW2 — is a encrypt­ed text of the pass­word this out­put can you gen­er­ate in HERE

SORUCE : htaccesstools.com