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