If you're just trying learn how to de/recompile, follow this tutorial for TF2. For Dota 2, the process is slightly different as it requires a different tool - use this and this as guides (if you wish to view Dota 2 models in HLMV, see this). For specifically 3ds Max, this is what I found after a quick search. Ignoring the…
i did it : You can do it all on dota 2 test. 1 unpack Program Files\Steam\steamapps\common\dota 2 test\dota\pak01_dir.vpk using GCFScape you must unpack all files pointing to \dota 2 test\dota, in a manner that the game dont need any file from the compiled ones. so unpack all files. after this you must rename all the .vpk…