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