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