<p>Well you will need to create a client application for JOSM and configure JOSM with the appropriate key but it should work once you do that.</p>
<p>Hard to say more without some specific details of the problem you are experiencing.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/openstreetmap/openstreetmap-website/issues/2554?email_source=notifications&email_token=AAK2OLMGUS7QJSD3DPCNFD3RGVKWVA5CNFSM4LERHC62YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEOJB4AQ#issuecomment-596778498">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/AAK2OLLFVWQMPM2XR5O7B2TRGVKWVANCNFSM4LERHC6Q">unsubscribe</a>.<img src="https://github.com/notifications/beacon/AAK2OLKKI2MVP5PWNUP573DRGVKWVA5CNFSM4LERHC62YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEOJB4AQ.gif" height="1" width="1" alt="" /></p>
<script type="application/ld+json">[
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"potentialAction": {
"@type": "ViewAction",
"target": "https://github.com/openstreetmap/openstreetmap-website/issues/2554?email_source=notifications\u0026email_token=AAK2OLMGUS7QJSD3DPCNFD3RGVKWVA5CNFSM4LERHC62YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEOJB4AQ#issuecomment-596778498",
"url": "https://github.com/openstreetmap/openstreetmap-website/issues/2554?email_source=notifications\u0026email_token=AAK2OLMGUS7QJSD3DPCNFD3RGVKWVA5CNFSM4LERHC62YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEOJB4AQ#issuecomment-596778498",
"name": "View Issue"
},
"description": "View this Issue on GitHub",
"publisher": {
"@type": "Organization",
"name": "GitHub",
"url": "https://github.com"
}
}
]</script>