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