Steps
Step 1

Cleaned out the garage, i don't have a photo of this but you couldn't walk in as there was that much clutter.
Threw out unnecessary clutter, put items up on ebay.
Swept floor and walls, removed mess.
Step 2
Used garden blower to get out as much dust as possible
Degreaser on some oil patches
Washed floor with soap and water and hosed out
Step 3
Once dried completely, painted edges with paint brush
Step 4
applied one coat with roller to finish.
Left for 7 days to dry and cure