Welcome to my New Tutorial Series, Making a Portal Mod For Noobs!
---Tutorial #1, The Tools---
These are the tools you need to make your first Portal Mod!
1: GFCScape (To Export Models and Sounds for editing)
2: VTFEdit (To Make your Texture into a .vtf)
---Choose One Of These!---
3a: Paint.NET (For Image Editing!)
5. The Source SDK
Go-to Your Library, Click Veiw, Click Tools, Find Source SDK and Install it!
Once You are Finished Move on to The Next Tuturial!