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