About installing multiple updates
When installing multiple sets, please keep in mind that you need to install them in order of their release. As guide i've numbered the sets. Basic sets (editions) and special sets can be installed in any order, indepent of what sets you already have installed.
All Updates, Onslaught+ 2008/04/06; 220MB Download
WotC: official Nemesis - Judgment updates for MTGIEDownload
Eight Edition 2008/04/06; 12.5MB Download
Ninth Edition 2008/04/06; 6.5MB Download
Tenth Edition 2008/04/06; 6.5MB Download
Magic 2010 2009/09/06; 37MB Download
Unhinged 2008/04/06; 6.5MB Download
Beatdown 2009/01/31; 6.5MB Download
Battle Royal 2008/04/06; 6.5MB Download
Anthologies 2008/04/06; 6.5MB Download
25. Zendikar 2009/12/20; 41MB Download
26. Worldwake 2010/07/17; 14MB Download
27. Rise of the Eldrazi 2010/07/17; 24MB Download
24. Alara Reborn 2009/05/14; 23MB Download
23. Conflux 2009/02/19; 23MB Download
22. Shards of Alara 2008/10/21; 14MB Download
20. Shadowmoor 2009/01/31; 11MB Download
21. Eventide 2008/07/25; 11MB Download
18. Lorwyn 2009/01/31; 12MB Download
19. Morningtide 2008/04/06; 6MB Download
14. Time Spiral 2008/04/06; 10MB Download
15. Time Spiral Timeshifted 2008/04/06; 9MB Download
16. Planar Chaos 2008/04/06; 6MB Download
17. Future Sight 2008/04/06; 6MB Download
13. Coldsnap 2009/01/31; 5.6MB Download
10. Ravnica: City of Guilds 2008/04/06; 12.1MB Download
11. Guildpact 2008/04/06; 6.7MB Download
12. Dissension 2008/04/06; 7MB Download
07. Champions of Kamigawa 2008/04/06; 12.3MB Download
08. Betrayers of Kamigawa 2008/04/06; 7.1MB Download
09. Saviors of Kamigawa 2008/04/06; 6.8MB Download
04. Mirrodin 2009/01/31; 12.2MB Download
05. Darksteel 2008/04/06; 6.5MB Download
06. Fifth Dawn 2008/04/06; 7.5MB Download
01. Onslaught 2008/04/06; 11.7MB Download
02. Legions 2008/04/06; 10.5MB Download
03. Scourge 2008/04/06; 5.5MB Download