Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Complete "The Way of the Voice"
Join the Companions
Complete "The Eye of Magnus"
Join the Stormcloaks or the Imperial Army
Get married
Chop wood, mine ore, and cook food
Join the College of Winterhold
Complete "Diplomatic Immunity"
Complete "Unbound"
Complete "Hail Sithis!"
Pick 50 locks and 50 pockets
Escape from jail
Bounty of 1000 gold in all nine holds
Complete "Bound Until Death"
Read 50 Skill Books
Have 100,000 gold
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Reach Level 50
Learn 20 shouts
Complete "Dragonslayer"
Complete "The Fallen"
Complete "Elder Knowledge"
Join the Dark Brotherhood
Complete "Alduin's Wall"
Get a skill to 100
Complete "Glory of the Dead"
Select a Standing Stone blessing
Join the Thieves Guild
Make a smithed item, an enchanted item, and a potion
Learn all three words of a shout
Find 13 Standing Stones
Acquire a Daedric Artifact
Buy a house
Complete 10 side quests
Successfully persuade, bribe, and intimidate
Reach Level 5
Reach Level 10
Reach Level 25
Complete 50 Misc Objectives
Clear 50 dungeons
Discover 100 Locations
Absorb a dragon soul
Absorb 20 dragon souls
Complete "Bleak Falls Barrow"
Become a member of the Circle
Complete "Revealing the Unseen"
Complete "Darkness Returns"
Returned the Thieves Guild to its former glory
Collect 15 Daedric Artifacts
Learn the secrets of 5 Black Books
Craft an item out of Stalhrim
Complete "At the Summit of Apocrypha"
Learn all 3 words of Dragon Aspect
Own a house in Raven Rock
Discover 30 locations on the island of Solstheim
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim
Tame and ride 5 dragons
Complete "Beyond Death"
Defeat a Legendary Dragon
Complete "Kindred Judgment"
Complete "Awakening"
Change your face
Complete "Lost to the Ages"
Learn all three words of Soul Tear
Use the special power of Auriel's Bow
Acquire 11 werewolf perks
Acquire 11 vampire perks
Buy three plots of land
Build three wings on a house
Buy a plot of land
Adopt a child
Build three houses