need help

[iou]

Or
1. Uninstall SA-MP.
2. Copy the game folder "GTA San Andreas", paste and it should be named "GTA San Andreas Copy".
3. Rename it to "GTA San Andreas 0.3a".
4. Download SA-MP 0.2x.
5. Install to the original folder.
6. Download SA-MP 0.3a.
7. Install to GTA San Andreas 0.3a.
8. Create a shorcut for the 0.2x version of samp.exe, i.e. "GTA San Andreas" folder.
9. Launch it.

Now whenever you need to switch version, simply launch SA-MP with your shortcut.
Change pathway to "GTA San Andreas 0.3a".