Short answer: Save, pre-approval, find house, offer, due diligence, unconditional, settle, move in. 2-6 months total.
Save deposit, get pre-approval, find a house, make an offer, do due diligence, go unconditional, settle, move in. Each step has substeps. The whole process takes 2-6 months typically. Do not skip due diligence. That is where you discover problems.
Month1: Save, get pre-approval
Month2: View houses, make offer
Month3: Due diligence, go unconditional
Month4: Settlement and move in