I'm new to 8052
Step 1: download 'the '51 bible' chapters 1, 2 and 3 (the address is in links <---).
Step 2: go through it twice, do not worry that you do not understand it all.
Step 3: read the tutorials <---
Step 4: make a simple project e.g. "blinky" to familarise yourself with the tools (assembler/compiler, linker, download/programming method)
Step 5: Plan your program and get at it
Step 6: when you come up with a real problem, post it here.

Erik