Here is the full list of all 35 Call of Duty: WWII achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Save 8 allies locked in struggle.
Complete the game on Veteran difficulty.
Collect all 33 mementos.
Protect the convoy by shooting down all the planes in The Rhine.
Request Aiello to toss you signal smoke and call in mortar strikes 10 times
Request Pierson to spot enemies 25 times.
Reach the sniper perch without being detected in Ambush.
Drag 10 allies to safety.
Request Stiles to toss you grenades 15 times
Disable 50 enemies using smoke grenades.
Request Turner to toss you ammo 20 times.
Rescue your allies with the Sherman while keeping your armor above 80%.
Request Zussman to toss you First Aid Kits 30 times.
Complete the driving portion of S.O.E. without hitting any obstacles.
Cover Zussman from the church without missing a shot in Stronghold.
Protect your tanks by shooting down all planes in Operation Cobra.
Breach the seawall in under two minutes without taking MG fire.
Complete the campaign.
Get 6 groups of enemies to surrender.
Complete Ambush.
Complete Battle of the Bulge.
Protect the bombers by personally shooting down 12 enemy planes.
Complete Hill 493.
Successfully escort the pole charge engineer to the pillbox in Hill 493.
Complete Death Factory.
Spend 3 minutes using Focus in the campaign.
Sneak through the Dragon's Teeth undetected in Death Factory.
Complete Collateral Damage.
Save 5 allies by throwing away a live enemy grenade.
Complete Liberation
Sneak through the courtyard undetected in Liberation.
Complete S.O.E.
Complete Stronghold.
Complete Operation Cobra
Complete D-Day.