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