nostr:nprofile1qqspnzgrfett3asxcuj0gksje6z2zxzpvgd27uvz58m9vsuqh8zzw6cpr9mhxw309a382emdv9hzumt8w4ujumn9wsargwp58qq3vamnwvaz7tmzv46xztnwdaehgunfdshxxctdqydhwumn8ghj7en9v4j8xtnwdaehgu3wvfskuep0w3hku7gpewmsc YouTube channel is a great resource to get started on this

But basically download sparrow wallet, create a new wallet, select multisig then add your signing devices