<p>Adobe Dreamweaver CS5 Serial Number These are the valid serial numbers</p><p>Image via Wikipedia</p><p>1192-1828-2238-5178-3799-1361 1192 1303 1925 5824 2535 3909 1192-1274-5709-4573-8000-9774 1192-1927-7762-6383-0202-0474 1192-1627-3787-6401-6659-1570 1192-1980-7256-6209-7157-2111 1192-1852-9320-0140-1786-2748 1192-1258-8972-6398-3863-9299 1192-1015-3447-7982-8441-4483 1325-1532-2534-3898-7565-8767 Before applying the serial number you have to block some adobe website so copy&paste the following ip addresses to prevent from getting invalid serial number by adobe For all Adobe Products Hosts file: open your hosts file from the directory C: \ Windows \ system32 \ drivers \ etc\hosts 127.0.0.1 localhost 127.0.0.1 hl2rcv.adobe.com 127.0.0.1 adobeereg.com 127.0.0.1 activate.adobe.com 127.0.0.1 practivate.adobe.com 127.0.0.1 ereg.adobe.com 127.0.0.1 activate.wip3.adobe.com 127.0.0.1 ereg.wip3.adobe.com 127.0.0.1 wip3.adobe.com 127.0.0.1 activate-sea.adobe.com 127.0.0.1 wwis-dubc1-vip60.adobe.com 127.0.0.1 activate-sjc0.adobe.com 127.0.0.1 3dns.adobe.com 127.0.0.1 3dns-1.adobe.com 127.0.0.1 3dns-2.adobe.com 127.0.0.1 3dns-3.adobe.com 127.0.0.1 3dns-4.adobe.com 127.0.0.1 adobe-dns.adobe.com 127.0.0.1 adobe-dns-1.adobe.com 127.0.0.1 adobe-dns-2.adobe.com 127.0.0.1 adobe-dns-3.adobe.com 127.0.0.1 adobe-dns-4.adobe.com 127.0.0.1 adobe-dns-5.adobe.com 127.0.0.1 hh-software.com 127.0.0.1 www.hh-software.com 127.0.0.1 activate.adobe.de 127.0.0.1 practivate.adobe.de 127.0.0.1 ereg.adobe.de 127.0.0.1 activate.wip3.adobe.de 127.0.0.1 wip3.adobe.de 127.0.0.1 3dns-3.adobe.de 127.0.0.1 3dns-2.adobe.de 127.0.0.1 adobe-dns.adobe.de 127.0.0.1 adobe-dns-2.adobe.de 127.0.0.1 adobe-dns-3.adobe.de 127.0.0.1 ereg.wip3.adobe.de 127.0.0.1 activate-sea.adobe.de 127.0.0.1 wwis-dubc1-vip60.adobe.de 127.0.0.1 activate-sjc0.adobe.de 127.0.0.1 wwis-dubc1-vip60.adobe.de 127.0.0.1 hl2rcv.adobe.de localhost save changes Then enter the serial key and everything works.</p>